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Finding the Fourth Proportional to 64,385.60, 96,578.40 and 22,265.60

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Solution

The fourth proportional to 64,385.60, 96,578.40 and 22,265.60 is: 33,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.60 : 96,578.40 = 22,265.60 : x
  2. Step 2: Convert to fraction form
    64,385.60/96,578.40 = 22,265.60/x
  3. Step 3: Cross multiply
    64,385.60x = 96,578.40 × 22,265.60
  4. Step 4: Simplify right side
    64,385.60x = 2,150,376,023.04
  5. Step 5: Solve for x
    x = 2,150,376,023.04/64,385.60
  6. Step 6: Final answer
    x = 33,398.40

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Similar ratio
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1.5x scale

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.