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Finding the Fourth Proportional to 12,348.59, 17,005.15 and 10,732.79

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Solution

The fourth proportional to 12,348.59, 17,005.15 and 10,732.79 is: 14,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.59 : 17,005.15 = 10,732.79 : x
  2. Step 2: Convert to fraction form
    12,348.59/17,005.15 = 10,732.79/x
  3. Step 3: Cross multiply
    12,348.59x = 17,005.15 × 10,732.79
  4. Step 4: Simplify right side
    12,348.59x = 182,512,703.87
  5. Step 5: Solve for x
    x = 182,512,703.87/12,348.59
  6. Step 6: Final answer
    x = 14,780.04

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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.