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Finding the Fourth Proportional to 59,502.40, 89,253.92 and 20,059.88

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Solution

The fourth proportional to 59,502.40, 89,253.92 and 20,059.88 is: 30,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,502.40 : 89,253.92 = 20,059.88 : x
  2. Step 2: Convert to fraction form
    59,502.40/89,253.92 = 20,059.88/x
  3. Step 3: Cross multiply
    59,502.40x = 89,253.92 × 20,059.88
  4. Step 4: Simplify right side
    59,502.40x = 1,790,422,924.73
  5. Step 5: Solve for x
    x = 1,790,422,924.73/59,502.40
  6. Step 6: Final answer
    x = 30,089.93

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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.