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Finding the Fourth Proportional to 59,751.43, 89,631.73 and 15,378.62

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Solution

The fourth proportional to 59,751.43, 89,631.73 and 15,378.62 is: 23,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,751.43 : 89,631.73 = 15,378.62 : x
  2. Step 2: Convert to fraction form
    59,751.43/89,631.73 = 15,378.62/x
  3. Step 3: Cross multiply
    59,751.43x = 89,631.73 × 15,378.62
  4. Step 4: Simplify right side
    59,751.43x = 1,378,411,886.68
  5. Step 5: Solve for x
    x = 1,378,411,886.68/59,751.43
  6. Step 6: Final answer
    x = 23,069.10

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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.