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Finding the Fourth Proportional to 59,954.64, 89,987.24 and 30,393.20

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Solution

The fourth proportional to 59,954.64, 89,987.24 and 30,393.20 is: 45,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,954.64 : 89,987.24 = 30,393.20 : x
  2. Step 2: Convert to fraction form
    59,954.64/89,987.24 = 30,393.20/x
  3. Step 3: Cross multiply
    59,954.64x = 89,987.24 × 30,393.20
  4. Step 4: Simplify right side
    59,954.64x = 2,735,000,182.77
  5. Step 5: Solve for x
    x = 2,735,000,182.77/59,954.64
  6. Step 6: Final answer
    x = 45,617.82

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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.