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Finding the Fourth Proportional to 64,708.58, 96,981.08 and 29,132.01

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Solution

The fourth proportional to 64,708.58, 96,981.08 and 29,132.01 is: 43,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708.58 : 96,981.08 = 29,132.01 : x
  2. Step 2: Convert to fraction form
    64,708.58/96,981.08 = 29,132.01/x
  3. Step 3: Cross multiply
    64,708.58x = 96,981.08 × 29,132.01
  4. Step 4: Simplify right side
    64,708.58x = 2,825,253,810.58
  5. Step 5: Solve for x
    x = 2,825,253,810.58/64,708.58
  6. Step 6: Final answer
    x = 43,661.20

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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.