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Finding the Fourth Proportional to 32,651.88, 48,967.54 and 12,659.97

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Solution

The fourth proportional to 32,651.88, 48,967.54 and 12,659.97 is: 18,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.88 : 48,967.54 = 12,659.97 : x
  2. Step 2: Convert to fraction form
    32,651.88/48,967.54 = 12,659.97/x
  3. Step 3: Cross multiply
    32,651.88x = 48,967.54 × 12,659.97
  4. Step 4: Simplify right side
    32,651.88x = 619,927,419.57
  5. Step 5: Solve for x
    x = 619,927,419.57/32,651.88
  6. Step 6: Final answer
    x = 18,985.96

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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.