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Finding the Fourth Proportional to 26,471.75, 36,531.02 and 15,293.75

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Solution

The fourth proportional to 26,471.75, 36,531.02 and 15,293.75 is: 21,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.75 : 36,531.02 = 15,293.75 : x
  2. Step 2: Convert to fraction form
    26,471.75/36,531.02 = 15,293.75/x
  3. Step 3: Cross multiply
    26,471.75x = 36,531.02 × 15,293.75
  4. Step 4: Simplify right side
    26,471.75x = 558,696,210.66
  5. Step 5: Solve for x
    x = 558,696,210.66/26,471.75
  6. Step 6: Final answer
    x = 21,105.38

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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.