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Finding the Fourth Proportional to 61,571.75, 84,958.13 and 34,715.39

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Solution

The fourth proportional to 61,571.75, 84,958.13 and 34,715.39 is: 47,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.75 : 84,958.13 = 34,715.39 : x
  2. Step 2: Convert to fraction form
    61,571.75/84,958.13 = 34,715.39/x
  3. Step 3: Cross multiply
    61,571.75x = 84,958.13 × 34,715.39
  4. Step 4: Simplify right side
    61,571.75x = 2,949,354,278.62
  5. Step 5: Solve for x
    x = 2,949,354,278.62/61,571.75
  6. Step 6: Final answer
    x = 47,901.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.