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Finding the Fourth Proportional to 60,358.66, 90,538.67 and 18,239.10

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Solution

The fourth proportional to 60,358.66, 90,538.67 and 18,239.10 is: 27,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,358.66 : 90,538.67 = 18,239.10 : x
  2. Step 2: Convert to fraction form
    60,358.66/90,538.67 = 18,239.10/x
  3. Step 3: Cross multiply
    60,358.66x = 90,538.67 × 18,239.10
  4. Step 4: Simplify right side
    60,358.66x = 1,651,343,856.00
  5. Step 5: Solve for x
    x = 1,651,343,856.00/60,358.66
  6. Step 6: Final answer
    x = 27,358.86

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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.