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Finding the Fourth Proportional to 32,451.60, 48,643.80 and 17,629.20

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Solution

The fourth proportional to 32,451.60, 48,643.80 and 17,629.20 is: 26,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.60 : 48,643.80 = 17,629.20 : x
  2. Step 2: Convert to fraction form
    32,451.60/48,643.80 = 17,629.20/x
  3. Step 3: Cross multiply
    32,451.60x = 48,643.80 × 17,629.20
  4. Step 4: Simplify right side
    32,451.60x = 857,551,278.96
  5. Step 5: Solve for x
    x = 857,551,278.96/32,451.60
  6. Step 6: Final answer
    x = 26,425.55

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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.