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Finding the Fourth Proportional to 10,894.20, 15,033.58 and 5,926.20

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Solution

The fourth proportional to 10,894.20, 15,033.58 and 5,926.20 is: 8,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.20 : 15,033.58 = 5,926.20 : x
  2. Step 2: Convert to fraction form
    10,894.20/15,033.58 = 5,926.20/x
  3. Step 3: Cross multiply
    10,894.20x = 15,033.58 × 5,926.20
  4. Step 4: Simplify right side
    10,894.20x = 89,092,001.80
  5. Step 5: Solve for x
    x = 89,092,001.80/10,894.20
  6. Step 6: Final answer
    x = 8,177.93

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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.