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Finding the Fourth Proportional to 61,019.39, 91,542.88 and 32,938.84

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Solution

The fourth proportional to 61,019.39, 91,542.88 and 32,938.84 is: 49,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,019.39 : 91,542.88 = 32,938.84 : x
  2. Step 2: Convert to fraction form
    61,019.39/91,542.88 = 32,938.84/x
  3. Step 3: Cross multiply
    61,019.39x = 91,542.88 × 32,938.84
  4. Step 4: Simplify right side
    61,019.39x = 3,015,316,396.97
  5. Step 5: Solve for x
    x = 3,015,316,396.97/61,019.39
  6. Step 6: Final answer
    x = 49,415.71

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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.