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Finding the Fourth Proportional to 32,625.92, 48,932.40 and 15,978.80

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Solution

The fourth proportional to 32,625.92, 48,932.40 and 15,978.80 is: 23,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.92 : 48,932.40 = 15,978.80 : x
  2. Step 2: Convert to fraction form
    32,625.92/48,932.40 = 15,978.80/x
  3. Step 3: Cross multiply
    32,625.92x = 48,932.40 × 15,978.80
  4. Step 4: Simplify right side
    32,625.92x = 781,881,033.12
  5. Step 5: Solve for x
    x = 781,881,033.12/32,625.92
  6. Step 6: Final answer
    x = 23,965.03

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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.