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Finding the Fourth Proportional to 59,921.42, 89,883.52 and 15,549.92

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Solution

The fourth proportional to 59,921.42, 89,883.52 and 15,549.92 is: 23,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,921.42 : 89,883.52 = 15,549.92 : x
  2. Step 2: Convert to fraction form
    59,921.42/89,883.52 = 15,549.92/x
  3. Step 3: Cross multiply
    59,921.42x = 89,883.52 × 15,549.92
  4. Step 4: Simplify right side
    59,921.42x = 1,397,681,987.15
  5. Step 5: Solve for x
    x = 1,397,681,987.15/59,921.42
  6. Step 6: Final answer
    x = 23,325.25

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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.