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Finding the Fourth Proportional to 27,299.59, 40,941.15 and 10,655.13

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Solution

The fourth proportional to 27,299.59, 40,941.15 and 10,655.13 is: 15,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.59 : 40,941.15 = 10,655.13 : x
  2. Step 2: Convert to fraction form
    27,299.59/40,941.15 = 10,655.13/x
  3. Step 3: Cross multiply
    27,299.59x = 40,941.15 × 10,655.13
  4. Step 4: Simplify right side
    27,299.59x = 436,233,275.60
  5. Step 5: Solve for x
    x = 436,233,275.60/27,299.59
  6. Step 6: Final answer
    x = 15,979.48

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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.