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Finding the Fourth Proportional to 64,633.52, 96,897.98 and 29,068.80

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Solution

The fourth proportional to 64,633.52, 96,897.98 and 29,068.80 is: 43,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,633.52 : 96,897.98 = 29,068.80 : x
  2. Step 2: Convert to fraction form
    64,633.52/96,897.98 = 29,068.80/x
  3. Step 3: Cross multiply
    64,633.52x = 96,897.98 × 29,068.80
  4. Step 4: Simplify right side
    64,633.52x = 2,816,708,001.02
  5. Step 5: Solve for x
    x = 2,816,708,001.02/64,633.52
  6. Step 6: Final answer
    x = 43,579.68

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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.