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Finding the Fourth Proportional to 63,717.60, 87,932.54 and 35,039.46

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Solution

The fourth proportional to 63,717.60, 87,932.54 and 35,039.46 is: 48,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.60 : 87,932.54 = 35,039.46 : x
  2. Step 2: Convert to fraction form
    63,717.60/87,932.54 = 35,039.46/x
  3. Step 3: Cross multiply
    63,717.60x = 87,932.54 × 35,039.46
  4. Step 4: Simplify right side
    63,717.60x = 3,081,108,718.03
  5. Step 5: Solve for x
    x = 3,081,108,718.03/63,717.60
  6. Step 6: Final answer
    x = 48,355.69

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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.