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Finding the Fourth Proportional to 60,102.87, 90,159.50 and 15,729.58

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Solution

The fourth proportional to 60,102.87, 90,159.50 and 15,729.58 is: 23,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,102.87 : 90,159.50 = 15,729.58 : x
  2. Step 2: Convert to fraction form
    60,102.87/90,159.50 = 15,729.58/x
  3. Step 3: Cross multiply
    60,102.87x = 90,159.50 × 15,729.58
  4. Step 4: Simplify right side
    60,102.87x = 1,418,171,068.01
  5. Step 5: Solve for x
    x = 1,418,171,068.01/60,102.87
  6. Step 6: Final answer
    x = 23,595.73

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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.