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Finding the Fourth Proportional to 23,191.52, 32,003.52 and 13,754.48

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Solution

The fourth proportional to 23,191.52, 32,003.52 and 13,754.48 is: 18,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.52 : 32,003.52 = 13,754.48 : x
  2. Step 2: Convert to fraction form
    23,191.52/32,003.52 = 13,754.48/x
  3. Step 3: Cross multiply
    23,191.52x = 32,003.52 × 13,754.48
  4. Step 4: Simplify right side
    23,191.52x = 440,191,775.77
  5. Step 5: Solve for x
    x = 440,191,775.77/23,191.52
  6. Step 6: Final answer
    x = 18,980.72

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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.