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Finding the Fourth Proportional to 32,920.60, 49,380.90 and 15,402.74

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Solution

The fourth proportional to 32,920.60, 49,380.90 and 15,402.74 is: 23,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.60 : 49,380.90 = 15,402.74 : x
  2. Step 2: Convert to fraction form
    32,920.60/49,380.90 = 15,402.74/x
  3. Step 3: Cross multiply
    32,920.60x = 49,380.90 × 15,402.74
  4. Step 4: Simplify right side
    32,920.60x = 760,601,163.67
  5. Step 5: Solve for x
    x = 760,601,163.67/32,920.60
  6. Step 6: Final answer
    x = 23,104.11

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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.