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Finding the Fourth Proportional to 36,064.92, 54,097.38 and 11,439

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Solution

The fourth proportional to 36,064.92, 54,097.38 and 11,439 is: 17,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.92 : 54,097.38 = 11,439 : x
  2. Step 2: Convert to fraction form
    36,064.92/54,097.38 = 11,439/x
  3. Step 3: Cross multiply
    36,064.92x = 54,097.38 × 11,439
  4. Step 4: Simplify right side
    36,064.92x = 618,819,929.82
  5. Step 5: Solve for x
    x = 618,819,929.82/36,064.92
  6. Step 6: Final answer
    x = 17,158.50

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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.