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Finding the Fourth Proportional to 59,882.93, 89,832.59 and 20,429.45

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Solution

The fourth proportional to 59,882.93, 89,832.59 and 20,429.45 is: 30,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,882.93 : 89,832.59 = 20,429.45 : x
  2. Step 2: Convert to fraction form
    59,882.93/89,832.59 = 20,429.45/x
  3. Step 3: Cross multiply
    59,882.93x = 89,832.59 × 20,429.45
  4. Step 4: Simplify right side
    59,882.93x = 1,835,229,854.47
  5. Step 5: Solve for x
    x = 1,835,229,854.47/59,882.93
  6. Step 6: Final answer
    x = 30,646.96

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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.