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Finding the Fourth Proportional to 63,290, 94,872.90 and 35,223.50

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Solution

The fourth proportional to 63,290, 94,872.90 and 35,223.50 is: 52,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290 : 94,872.90 = 35,223.50 : x
  2. Step 2: Convert to fraction form
    63,290/94,872.90 = 35,223.50/x
  3. Step 3: Cross multiply
    63,290x = 94,872.90 × 35,223.50
  4. Step 4: Simplify right side
    63,290x = 3,341,755,593.15
  5. Step 5: Solve for x
    x = 3,341,755,593.15/63,290
  6. Step 6: Final answer
    x = 52,800.69

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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.