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Finding the Fourth Proportional to 68,562.60, 94,665.42 and 53,472.12

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Solution

The fourth proportional to 68,562.60, 94,665.42 and 53,472.12 is: 73,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,562.60 : 94,665.42 = 53,472.12 : x
  2. Step 2: Convert to fraction form
    68,562.60/94,665.42 = 53,472.12/x
  3. Step 3: Cross multiply
    68,562.60x = 94,665.42 × 53,472.12
  4. Step 4: Simplify right side
    68,562.60x = 5,061,960,698.09
  5. Step 5: Solve for x
    x = 5,061,960,698.09/68,562.60
  6. Step 6: Final answer
    x = 73,829.77

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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.