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Finding the Fourth Proportional to 23,655, 32,643.19 and 13,044.63

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Solution

The fourth proportional to 23,655, 32,643.19 and 13,044.63 is: 18,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,655 : 32,643.19 = 13,044.63 : x
  2. Step 2: Convert to fraction form
    23,655/32,643.19 = 13,044.63/x
  3. Step 3: Cross multiply
    23,655x = 32,643.19 × 13,044.63
  4. Step 4: Simplify right side
    23,655x = 425,818,335.57
  5. Step 5: Solve for x
    x = 425,818,335.57/23,655
  6. Step 6: Final answer
    x = 18,001.20

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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.