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Finding the Fourth Proportional to 68,009.60, 101,913.96 and 32,907.44

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Solution

The fourth proportional to 68,009.60, 101,913.96 and 32,907.44 is: 49,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.60 : 101,913.96 = 32,907.44 : x
  2. Step 2: Convert to fraction form
    68,009.60/101,913.96 = 32,907.44/x
  3. Step 3: Cross multiply
    68,009.60x = 101,913.96 × 32,907.44
  4. Step 4: Simplify right side
    68,009.60x = 3,353,727,523.86
  5. Step 5: Solve for x
    x = 3,353,727,523.86/68,009.60
  6. Step 6: Final answer
    x = 49,312.56

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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.