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Finding the Fourth Proportional to 64,508.62, 88,917.55 and 48,127.99

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Solution

The fourth proportional to 64,508.62, 88,917.55 and 48,127.99 is: 66,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,508.62 : 88,917.55 = 48,127.99 : x
  2. Step 2: Convert to fraction form
    64,508.62/88,917.55 = 48,127.99/x
  3. Step 3: Cross multiply
    64,508.62x = 88,917.55 × 48,127.99
  4. Step 4: Simplify right side
    64,508.62x = 4,279,422,781.33
  5. Step 5: Solve for x
    x = 4,279,422,781.33/64,508.62
  6. Step 6: Final answer
    x = 66,338.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.