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Finding the Fourth Proportional to 64,355.60, 96,562.20 and 29,277.20

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Solution

The fourth proportional to 64,355.60, 96,562.20 and 29,277.20 is: 43,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.60 : 96,562.20 = 29,277.20 : x
  2. Step 2: Convert to fraction form
    64,355.60/96,562.20 = 29,277.20/x
  3. Step 3: Cross multiply
    64,355.60x = 96,562.20 × 29,277.20
  4. Step 4: Simplify right side
    64,355.60x = 2,827,070,841.84
  5. Step 5: Solve for x
    x = 2,827,070,841.84/64,355.60
  6. Step 6: Final answer
    x = 43,928.90

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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.