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Finding the Fourth Proportional to 29,648.65, 44,472.73 and 12,106.17

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Solution

The fourth proportional to 29,648.65, 44,472.73 and 12,106.17 is: 18,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.65 : 44,472.73 = 12,106.17 : x
  2. Step 2: Convert to fraction form
    29,648.65/44,472.73 = 12,106.17/x
  3. Step 3: Cross multiply
    29,648.65x = 44,472.73 × 12,106.17
  4. Step 4: Simplify right side
    29,648.65x = 538,394,429.74
  5. Step 5: Solve for x
    x = 538,394,429.74/29,648.65
  6. Step 6: Final answer
    x = 18,159.15

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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.