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Finding the Fourth Proportional to 5,720.40, 8,545.06 and 5,693.52

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Solution

The fourth proportional to 5,720.40, 8,545.06 and 5,693.52 is: 8,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.40 : 8,545.06 = 5,693.52 : x
  2. Step 2: Convert to fraction form
    5,720.40/8,545.06 = 5,693.52/x
  3. Step 3: Cross multiply
    5,720.40x = 8,545.06 × 5,693.52
  4. Step 4: Simplify right side
    5,720.40x = 48,651,470.01
  5. Step 5: Solve for x
    x = 48,651,470.01/5,720.40
  6. Step 6: Final answer
    x = 8,504.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.