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Finding the Fourth Proportional to 63,002.40, 94,309.20 and 36,628.80

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Solution

The fourth proportional to 63,002.40, 94,309.20 and 36,628.80 is: 54,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,002.40 : 94,309.20 = 36,628.80 : x
  2. Step 2: Convert to fraction form
    63,002.40/94,309.20 = 36,628.80/x
  3. Step 3: Cross multiply
    63,002.40x = 94,309.20 × 36,628.80
  4. Step 4: Simplify right side
    63,002.40x = 3,454,432,824.96
  5. Step 5: Solve for x
    x = 3,454,432,824.96/63,002.40
  6. Step 6: Final answer
    x = 54,830.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.