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Finding the Fourth Proportional to 32,948.60, 49,422.90 and 19,794.20

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Solution

The fourth proportional to 32,948.60, 49,422.90 and 19,794.20 is: 29,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,948.60 : 49,422.90 = 19,794.20 : x
  2. Step 2: Convert to fraction form
    32,948.60/49,422.90 = 19,794.20/x
  3. Step 3: Cross multiply
    32,948.60x = 49,422.90 × 19,794.20
  4. Step 4: Simplify right side
    32,948.60x = 978,286,767.18
  5. Step 5: Solve for x
    x = 978,286,767.18/32,948.60
  6. Step 6: Final answer
    x = 29,691.30

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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.