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Finding the Fourth Proportional to 68,000.90, 101,972.55 and 32,951.30

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Solution

The fourth proportional to 68,000.90, 101,972.55 and 32,951.30 is: 49,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.90 : 101,972.55 = 32,951.30 : x
  2. Step 2: Convert to fraction form
    68,000.90/101,972.55 = 32,951.30/x
  3. Step 3: Cross multiply
    68,000.90x = 101,972.55 × 32,951.30
  4. Step 4: Simplify right side
    68,000.90x = 3,360,128,086.82
  5. Step 5: Solve for x
    x = 3,360,128,086.82/68,000.90
  6. Step 6: Final answer
    x = 49,412.99

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1.5x scale

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.