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Finding the Fourth Proportional to 36,572.50, 54,858.75 and 11,948.50

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Solution

The fourth proportional to 36,572.50, 54,858.75 and 11,948.50 is: 17,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,572.50 : 54,858.75 = 11,948.50 : x
  2. Step 2: Convert to fraction form
    36,572.50/54,858.75 = 11,948.50/x
  3. Step 3: Cross multiply
    36,572.50x = 54,858.75 × 11,948.50
  4. Step 4: Simplify right side
    36,572.50x = 655,479,774.38
  5. Step 5: Solve for x
    x = 655,479,774.38/36,572.50
  6. Step 6: Final answer
    x = 17,922.75

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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.