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Finding the Fourth Proportional to 64,005.60, 95,979.60 and 24,549.60

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Solution

The fourth proportional to 64,005.60, 95,979.60 and 24,549.60 is: 36,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.60 : 95,979.60 = 24,549.60 : x
  2. Step 2: Convert to fraction form
    64,005.60/95,979.60 = 24,549.60/x
  3. Step 3: Cross multiply
    64,005.60x = 95,979.60 × 24,549.60
  4. Step 4: Simplify right side
    64,005.60x = 2,356,260,788.16
  5. Step 5: Solve for x
    x = 2,356,260,788.16/64,005.60
  6. Step 6: Final answer
    x = 36,813.35

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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.