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Finding the Fourth Proportional to 60,405.64, 90,572.57 and 22,968.45

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Solution

The fourth proportional to 60,405.64, 90,572.57 and 22,968.45 is: 34,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.64 : 90,572.57 = 22,968.45 : x
  2. Step 2: Convert to fraction form
    60,405.64/90,572.57 = 22,968.45/x
  3. Step 3: Cross multiply
    60,405.64x = 90,572.57 × 22,968.45
  4. Step 4: Simplify right side
    60,405.64x = 2,080,311,545.42
  5. Step 5: Solve for x
    x = 2,080,311,545.42/60,405.64
  6. Step 6: Final answer
    x = 34,439.03

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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.