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Finding the Fourth Proportional to 64,053.59, 96,139.44 and 32,485.79

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Solution

The fourth proportional to 64,053.59, 96,139.44 and 32,485.79 is: 48,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.59 : 96,139.44 = 32,485.79 : x
  2. Step 2: Convert to fraction form
    64,053.59/96,139.44 = 32,485.79/x
  3. Step 3: Cross multiply
    64,053.59x = 96,139.44 × 32,485.79
  4. Step 4: Simplify right side
    64,053.59x = 3,123,165,898.91
  5. Step 5: Solve for x
    x = 3,123,165,898.91/64,053.59
  6. Step 6: Final answer
    x = 48,758.64

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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.