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Finding the Fourth Proportional to 32,700.76, 45,114.90 and 19,949.56

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Solution

The fourth proportional to 32,700.76, 45,114.90 and 19,949.56 is: 27,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.76 : 45,114.90 = 19,949.56 : x
  2. Step 2: Convert to fraction form
    32,700.76/45,114.90 = 19,949.56/x
  3. Step 3: Cross multiply
    32,700.76x = 45,114.90 × 19,949.56
  4. Step 4: Simplify right side
    32,700.76x = 900,022,404.44
  5. Step 5: Solve for x
    x = 900,022,404.44/32,700.76
  6. Step 6: Final answer
    x = 27,522.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.