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Finding the Fourth Proportional to 66,047.28, 99,109.80 and 24,523.44

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Solution

The fourth proportional to 66,047.28, 99,109.80 and 24,523.44 is: 36,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.28 : 99,109.80 = 24,523.44 : x
  2. Step 2: Convert to fraction form
    66,047.28/99,109.80 = 24,523.44/x
  3. Step 3: Cross multiply
    66,047.28x = 99,109.80 × 24,523.44
  4. Step 4: Simplify right side
    66,047.28x = 2,430,513,233.71
  5. Step 5: Solve for x
    x = 2,430,513,233.71/66,047.28
  6. Step 6: Final answer
    x = 36,799.60

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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.