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Finding the Fourth Proportional to 63,718.60, 87,933.88 and 35,039.44

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Solution

The fourth proportional to 63,718.60, 87,933.88 and 35,039.44 is: 48,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.60 : 87,933.88 = 35,039.44 : x
  2. Step 2: Convert to fraction form
    63,718.60/87,933.88 = 35,039.44/x
  3. Step 3: Cross multiply
    63,718.60x = 87,933.88 × 35,039.44
  4. Step 4: Simplify right side
    63,718.60x = 3,081,153,472.77
  5. Step 5: Solve for x
    x = 3,081,153,472.77/63,718.60
  6. Step 6: Final answer
    x = 48,355.64

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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.