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Finding the Fourth Proportional to 66,047.92, 99,070.72 and 26,604.02

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Solution

The fourth proportional to 66,047.92, 99,070.72 and 26,604.02 is: 39,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.92 : 99,070.72 = 26,604.02 : x
  2. Step 2: Convert to fraction form
    66,047.92/99,070.72 = 26,604.02/x
  3. Step 3: Cross multiply
    66,047.92x = 99,070.72 × 26,604.02
  4. Step 4: Simplify right side
    66,047.92x = 2,635,679,416.29
  5. Step 5: Solve for x
    x = 2,635,679,416.29/66,047.92
  6. Step 6: Final answer
    x = 39,905.56

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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.