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Finding the Fourth Proportional to 22,488, 33,733.65 and 8,637

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Solution

The fourth proportional to 22,488, 33,733.65 and 8,637 is: 12,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488 : 33,733.65 = 8,637 : x
  2. Step 2: Convert to fraction form
    22,488/33,733.65 = 8,637/x
  3. Step 3: Cross multiply
    22,488x = 33,733.65 × 8,637
  4. Step 4: Simplify right side
    22,488x = 291,357,535.05
  5. Step 5: Solve for x
    x = 291,357,535.05/22,488
  6. Step 6: Final answer
    x = 12,956.13

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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.