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Finding the Fourth Proportional to 6,316.77, 8,716.95 and 3,484.27

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Solution

The fourth proportional to 6,316.77, 8,716.95 and 3,484.27 is: 4,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.77 : 8,716.95 = 3,484.27 : x
  2. Step 2: Convert to fraction form
    6,316.77/8,716.95 = 3,484.27/x
  3. Step 3: Cross multiply
    6,316.77x = 8,716.95 × 3,484.27
  4. Step 4: Simplify right side
    6,316.77x = 30,372,205.21
  5. Step 5: Solve for x
    x = 30,372,205.21/6,316.77
  6. Step 6: Final answer
    x = 4,808.18

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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.