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Finding the Fourth Proportional to 5,711.55, 8,554.92 and 5,572.16

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Solution

The fourth proportional to 5,711.55, 8,554.92 and 5,572.16 is: 8,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.55 : 8,554.92 = 5,572.16 : x
  2. Step 2: Convert to fraction form
    5,711.55/8,554.92 = 5,572.16/x
  3. Step 3: Cross multiply
    5,711.55x = 8,554.92 × 5,572.16
  4. Step 4: Simplify right side
    5,711.55x = 47,669,340.25
  5. Step 5: Solve for x
    x = 47,669,340.25/5,711.55
  6. Step 6: Final answer
    x = 8,346.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.