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Finding the Fourth Proportional to 27,398.76, 40,899.92 and 24,077.28

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Solution

The fourth proportional to 27,398.76, 40,899.92 and 24,077.28 is: 35,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.76 : 40,899.92 = 24,077.28 : x
  2. Step 2: Convert to fraction form
    27,398.76/40,899.92 = 24,077.28/x
  3. Step 3: Cross multiply
    27,398.76x = 40,899.92 × 24,077.28
  4. Step 4: Simplify right side
    27,398.76x = 984,758,825.82
  5. Step 5: Solve for x
    x = 984,758,825.82/27,398.76
  6. Step 6: Final answer
    x = 35,941.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.