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Finding the Fourth Proportional to 10,545.56, 14,552.16 and 5,829.20

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Solution

The fourth proportional to 10,545.56, 14,552.16 and 5,829.20 is: 8,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.56 : 14,552.16 = 5,829.20 : x
  2. Step 2: Convert to fraction form
    10,545.56/14,552.16 = 5,829.20/x
  3. Step 3: Cross multiply
    10,545.56x = 14,552.16 × 5,829.20
  4. Step 4: Simplify right side
    10,545.56x = 84,827,451.07
  5. Step 5: Solve for x
    x = 84,827,451.07/10,545.56
  6. Step 6: Final answer
    x = 8,043.90

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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.