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Finding the Fourth Proportional to 27,298.59, 40,939.65 and 10,654.13

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Solution

The fourth proportional to 27,298.59, 40,939.65 and 10,654.13 is: 15,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.59 : 40,939.65 = 10,654.13 : x
  2. Step 2: Convert to fraction form
    27,298.59/40,939.65 = 10,654.13/x
  3. Step 3: Cross multiply
    27,298.59x = 40,939.65 × 10,654.13
  4. Step 4: Simplify right side
    27,298.59x = 436,176,148.56
  5. Step 5: Solve for x
    x = 436,176,148.56/27,298.59
  6. Step 6: Final answer
    x = 15,977.97

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1.5x scale

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.