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Finding the Fourth Proportional to 55,805.10, 83,600.73 and 53,929.14

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Solution

The fourth proportional to 55,805.10, 83,600.73 and 53,929.14 is: 80,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.10 : 83,600.73 = 53,929.14 : x
  2. Step 2: Convert to fraction form
    55,805.10/83,600.73 = 53,929.14/x
  3. Step 3: Cross multiply
    55,805.10x = 83,600.73 × 53,929.14
  4. Step 4: Simplify right side
    55,805.10x = 4,508,515,472.27
  5. Step 5: Solve for x
    x = 4,508,515,472.27/55,805.10
  6. Step 6: Final answer
    x = 80,790.38

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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.