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Finding the Fourth Proportional to 59,863.64, 89,788.12 and 15,486.72

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Solution

The fourth proportional to 59,863.64, 89,788.12 and 15,486.72 is: 23,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,863.64 : 89,788.12 = 15,486.72 : x
  2. Step 2: Convert to fraction form
    59,863.64/89,788.12 = 15,486.72/x
  3. Step 3: Cross multiply
    59,863.64x = 89,788.12 × 15,486.72
  4. Step 4: Simplify right side
    59,863.64x = 1,390,523,473.77
  5. Step 5: Solve for x
    x = 1,390,523,473.77/59,863.64
  6. Step 6: Final answer
    x = 23,228.18

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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.