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Finding the Fourth Proportional to 26,913.47, 40,373.84 and 9,378.59

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Solution

The fourth proportional to 26,913.47, 40,373.84 and 9,378.59 is: 14,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.47 : 40,373.84 = 9,378.59 : x
  2. Step 2: Convert to fraction form
    26,913.47/40,373.84 = 9,378.59/x
  3. Step 3: Cross multiply
    26,913.47x = 40,373.84 × 9,378.59
  4. Step 4: Simplify right side
    26,913.47x = 378,649,513.66
  5. Step 5: Solve for x
    x = 378,649,513.66/26,913.47
  6. Step 6: Final answer
    x = 14,069.15

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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.