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Finding the Fourth Proportional to 26,342, 36,342.76 and 15,010.16

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Solution

The fourth proportional to 26,342, 36,342.76 and 15,010.16 is: 20,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342 : 36,342.76 = 15,010.16 : x
  2. Step 2: Convert to fraction form
    26,342/36,342.76 = 15,010.16/x
  3. Step 3: Cross multiply
    26,342x = 36,342.76 × 15,010.16
  4. Step 4: Simplify right side
    26,342x = 545,510,642.44
  5. Step 5: Solve for x
    x = 545,510,642.44/26,342
  6. Step 6: Final answer
    x = 20,708.78

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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.