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Finding the Fourth Proportional to 34,716.87, 47,909.88 and 18,801.99

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Solution

The fourth proportional to 34,716.87, 47,909.88 and 18,801.99 is: 25,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,716.87 : 47,909.88 = 18,801.99 : x
  2. Step 2: Convert to fraction form
    34,716.87/47,909.88 = 18,801.99/x
  3. Step 3: Cross multiply
    34,716.87x = 47,909.88 × 18,801.99
  4. Step 4: Simplify right side
    34,716.87x = 900,801,084.66
  5. Step 5: Solve for x
    x = 900,801,084.66/34,716.87
  6. Step 6: Final answer
    x = 25,947.07

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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.