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Finding the Fourth Proportional to 59,065.38, 81,489.78 and 37,856.34

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Solution

The fourth proportional to 59,065.38, 81,489.78 and 37,856.34 is: 52,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,065.38 : 81,489.78 = 37,856.34 : x
  2. Step 2: Convert to fraction form
    59,065.38/81,489.78 = 37,856.34/x
  3. Step 3: Cross multiply
    59,065.38x = 81,489.78 × 37,856.34
  4. Step 4: Simplify right side
    59,065.38x = 3,084,904,818.21
  5. Step 5: Solve for x
    x = 3,084,904,818.21/59,065.38
  6. Step 6: Final answer
    x = 52,228.65

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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.