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Finding the Fourth Proportional to 26,148.95, 36,114.93 and 20,251.95

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Solution

The fourth proportional to 26,148.95, 36,114.93 and 20,251.95 is: 27,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.95 : 36,114.93 = 20,251.95 : x
  2. Step 2: Convert to fraction form
    26,148.95/36,114.93 = 20,251.95/x
  3. Step 3: Cross multiply
    26,148.95x = 36,114.93 × 20,251.95
  4. Step 4: Simplify right side
    26,148.95x = 731,397,756.61
  5. Step 5: Solve for x
    x = 731,397,756.61/26,148.95
  6. Step 6: Final answer
    x = 27,970.44

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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.