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Finding the Fourth Proportional to 63,408.80, 87,503.98 and 36,551.12

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Solution

The fourth proportional to 63,408.80, 87,503.98 and 36,551.12 is: 50,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.80 : 87,503.98 = 36,551.12 : x
  2. Step 2: Convert to fraction form
    63,408.80/87,503.98 = 36,551.12/x
  3. Step 3: Cross multiply
    63,408.80x = 87,503.98 × 36,551.12
  4. Step 4: Simplify right side
    63,408.80x = 3,198,368,473.46
  5. Step 5: Solve for x
    x = 3,198,368,473.46/63,408.80
  6. Step 6: Final answer
    x = 50,440.45

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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.