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Finding the Fourth Proportional to 55,353.70, 83,038.65 and 29,060.43

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Solution

The fourth proportional to 55,353.70, 83,038.65 and 29,060.43 is: 43,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.70 : 83,038.65 = 29,060.43 : x
  2. Step 2: Convert to fraction form
    55,353.70/83,038.65 = 29,060.43/x
  3. Step 3: Cross multiply
    55,353.70x = 83,038.65 × 29,060.43
  4. Step 4: Simplify right side
    55,353.70x = 2,413,138,875.62
  5. Step 5: Solve for x
    x = 2,413,138,875.62/55,353.70
  6. Step 6: Final answer
    x = 43,594.90

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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.