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Finding the Fourth Proportional to 32,156.80, 48,267.60 and 15,530.20

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Solution

The fourth proportional to 32,156.80, 48,267.60 and 15,530.20 is: 23,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,156.80 : 48,267.60 = 15,530.20 : x
  2. Step 2: Convert to fraction form
    32,156.80/48,267.60 = 15,530.20/x
  3. Step 3: Cross multiply
    32,156.80x = 48,267.60 × 15,530.20
  4. Step 4: Simplify right side
    32,156.80x = 749,605,481.52
  5. Step 5: Solve for x
    x = 749,605,481.52/32,156.80
  6. Step 6: Final answer
    x = 23,310.95

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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.