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Finding the Fourth Proportional to 66,497.52, 99,752.53 and 26,506.86

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Solution

The fourth proportional to 66,497.52, 99,752.53 and 26,506.86 is: 39,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.52 : 99,752.53 = 26,506.86 : x
  2. Step 2: Convert to fraction form
    66,497.52/99,752.53 = 26,506.86/x
  3. Step 3: Cross multiply
    66,497.52x = 99,752.53 × 26,506.86
  4. Step 4: Simplify right side
    66,497.52x = 2,644,126,347.36
  5. Step 5: Solve for x
    x = 2,644,126,347.36/66,497.52
  6. Step 6: Final answer
    x = 39,762.78

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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.