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Finding the Fourth Proportional to 60,419.50, 90,605.95 and 22,959.83

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Solution

The fourth proportional to 60,419.50, 90,605.95 and 22,959.83 is: 34,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,419.50 : 90,605.95 = 22,959.83 : x
  2. Step 2: Convert to fraction form
    60,419.50/90,605.95 = 22,959.83/x
  3. Step 3: Cross multiply
    60,419.50x = 90,605.95 × 22,959.83
  4. Step 4: Simplify right side
    60,419.50x = 2,080,297,378.10
  5. Step 5: Solve for x
    x = 2,080,297,378.10/60,419.50
  6. Step 6: Final answer
    x = 34,430.90

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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.