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Finding the Fourth Proportional to 6,203.68, 8,561.10 and 3,409.12

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Solution

The fourth proportional to 6,203.68, 8,561.10 and 3,409.12 is: 4,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.68 : 8,561.10 = 3,409.12 : x
  2. Step 2: Convert to fraction form
    6,203.68/8,561.10 = 3,409.12/x
  3. Step 3: Cross multiply
    6,203.68x = 8,561.10 × 3,409.12
  4. Step 4: Simplify right side
    6,203.68x = 29,185,817.23
  5. Step 5: Solve for x
    x = 29,185,817.23/6,203.68
  6. Step 6: Final answer
    x = 4,704.60

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,204.68, 8,562.48 and 3,410.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.