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Finding the Fourth Proportional to 59,486.47, 89,211.48 and 20,032.99

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Solution

The fourth proportional to 59,486.47, 89,211.48 and 20,032.99 is: 30,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.47 : 89,211.48 = 20,032.99 : x
  2. Step 2: Convert to fraction form
    59,486.47/89,211.48 = 20,032.99/x
  3. Step 3: Cross multiply
    59,486.47x = 89,211.48 × 20,032.99
  4. Step 4: Simplify right side
    59,486.47x = 1,787,172,686.73
  5. Step 5: Solve for x
    x = 1,787,172,686.73/59,486.47
  6. Step 6: Final answer
    x = 30,043.35

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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.