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Finding the Fourth Proportional to 45,348.87, 68,023.08 and 11,614.82

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Solution

The fourth proportional to 45,348.87, 68,023.08 and 11,614.82 is: 17,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.87 : 68,023.08 = 11,614.82 : x
  2. Step 2: Convert to fraction form
    45,348.87/68,023.08 = 11,614.82/x
  3. Step 3: Cross multiply
    45,348.87x = 68,023.08 × 11,614.82
  4. Step 4: Simplify right side
    45,348.87x = 790,075,489.93
  5. Step 5: Solve for x
    x = 790,075,489.93/45,348.87
  6. Step 6: Final answer
    x = 17,422.17

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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.