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Finding the Fourth Proportional to 63,258.84, 87,305.88 and 36,400.80

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Solution

The fourth proportional to 63,258.84, 87,305.88 and 36,400.80 is: 50,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,258.84 : 87,305.88 = 36,400.80 : x
  2. Step 2: Convert to fraction form
    63,258.84/87,305.88 = 36,400.80/x
  3. Step 3: Cross multiply
    63,258.84x = 87,305.88 × 36,400.80
  4. Step 4: Simplify right side
    63,258.84x = 3,178,003,876.70
  5. Step 5: Solve for x
    x = 3,178,003,876.70/63,258.84
  6. Step 6: Final answer
    x = 50,238.10

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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.