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Finding the Fourth Proportional to 66,397.59, 99,606.76 and 26,957.48

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Solution

The fourth proportional to 66,397.59, 99,606.76 and 26,957.48 is: 40,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.59 : 99,606.76 = 26,957.48 : x
  2. Step 2: Convert to fraction form
    66,397.59/99,606.76 = 26,957.48/x
  3. Step 3: Cross multiply
    66,397.59x = 99,606.76 × 26,957.48
  4. Step 4: Simplify right side
    66,397.59x = 2,685,146,675.14
  5. Step 5: Solve for x
    x = 2,685,146,675.14/66,397.59
  6. Step 6: Final answer
    x = 40,440.42

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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.