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Finding the Fourth Proportional to 63,334.40, 87,394.02 and 36,478.04

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Solution

The fourth proportional to 63,334.40, 87,394.02 and 36,478.04 is: 50,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,334.40 : 87,394.02 = 36,478.04 : x
  2. Step 2: Convert to fraction form
    63,334.40/87,394.02 = 36,478.04/x
  3. Step 3: Cross multiply
    63,334.40x = 87,394.02 × 36,478.04
  4. Step 4: Simplify right side
    63,334.40x = 3,187,962,557.32
  5. Step 5: Solve for x
    x = 3,187,962,557.32/63,334.40
  6. Step 6: Final answer
    x = 50,335.40

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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.