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Finding the Fourth Proportional to 66,392.85, 99,592.11 and 22,023.48

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Solution

The fourth proportional to 66,392.85, 99,592.11 and 22,023.48 is: 33,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.85 : 99,592.11 = 22,023.48 : x
  2. Step 2: Convert to fraction form
    66,392.85/99,592.11 = 22,023.48/x
  3. Step 3: Cross multiply
    66,392.85x = 99,592.11 × 22,023.48
  4. Step 4: Simplify right side
    66,392.85x = 2,193,364,842.74
  5. Step 5: Solve for x
    x = 2,193,364,842.74/66,392.85
  6. Step 6: Final answer
    x = 33,036.16

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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.