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Finding the Fourth Proportional to 55,337.80, 83,006.70 and 15,892.60

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Solution

The fourth proportional to 55,337.80, 83,006.70 and 15,892.60 is: 23,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.80 : 83,006.70 = 15,892.60 : x
  2. Step 2: Convert to fraction form
    55,337.80/83,006.70 = 15,892.60/x
  3. Step 3: Cross multiply
    55,337.80x = 83,006.70 × 15,892.60
  4. Step 4: Simplify right side
    55,337.80x = 1,319,192,280.42
  5. Step 5: Solve for x
    x = 1,319,192,280.42/55,337.80
  6. Step 6: Final answer
    x = 23,838.90

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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.