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Finding the Fourth Proportional to 60,101.87, 90,158.13 and 15,728.45

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Solution

The fourth proportional to 60,101.87, 90,158.13 and 15,728.45 is: 23,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,101.87 : 90,158.13 = 15,728.45 : x
  2. Step 2: Convert to fraction form
    60,101.87/90,158.13 = 15,728.45/x
  3. Step 3: Cross multiply
    60,101.87x = 90,158.13 × 15,728.45
  4. Step 4: Simplify right side
    60,101.87x = 1,418,047,189.01
  5. Step 5: Solve for x
    x = 1,418,047,189.01/60,101.87
  6. Step 6: Final answer
    x = 23,594.06

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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.