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Finding the Fourth Proportional to 6,171.12, 8,520.12 and 5,506.83

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Solution

The fourth proportional to 6,171.12, 8,520.12 and 5,506.83 is: 7,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.12 : 8,520.12 = 5,506.83 : x
  2. Step 2: Convert to fraction form
    6,171.12/8,520.12 = 5,506.83/x
  3. Step 3: Cross multiply
    6,171.12x = 8,520.12 × 5,506.83
  4. Step 4: Simplify right side
    6,171.12x = 46,918,852.42
  5. Step 5: Solve for x
    x = 46,918,852.42/6,171.12
  6. Step 6: Final answer
    x = 7,602.97

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Half scale
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Double scale
Find fourth proportional to 6,172.12, 8,521.50 and 5,507.83
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.