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Finding the Fourth Proportional to 17,846.87, 26,752.48 and 11,928.74

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Solution

The fourth proportional to 17,846.87, 26,752.48 and 11,928.74 is: 17,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,846.87 : 26,752.48 = 11,928.74 : x
  2. Step 2: Convert to fraction form
    17,846.87/26,752.48 = 11,928.74/x
  3. Step 3: Cross multiply
    17,846.87x = 26,752.48 × 11,928.74
  4. Step 4: Simplify right side
    17,846.87x = 319,123,378.28
  5. Step 5: Solve for x
    x = 319,123,378.28/17,846.87
  6. Step 6: Final answer
    x = 17,881.20

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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.