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Finding the Fourth Proportional to 58,602.13, 80,869.27 and 34,402.71

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Solution

The fourth proportional to 58,602.13, 80,869.27 and 34,402.71 is: 47,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.13 : 80,869.27 = 34,402.71 : x
  2. Step 2: Convert to fraction form
    58,602.13/80,869.27 = 34,402.71/x
  3. Step 3: Cross multiply
    58,602.13x = 80,869.27 × 34,402.71
  4. Step 4: Simplify right side
    58,602.13x = 2,782,121,639.38
  5. Step 5: Solve for x
    x = 2,782,121,639.38/58,602.13
  6. Step 6: Final answer
    x = 47,474.75

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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.