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Finding the Fourth Proportional to 16,759.60, 25,117.80 and 10,178.80

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Solution

The fourth proportional to 16,759.60, 25,117.80 and 10,178.80 is: 15,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.60 : 25,117.80 = 10,178.80 : x
  2. Step 2: Convert to fraction form
    16,759.60/25,117.80 = 10,178.80/x
  3. Step 3: Cross multiply
    16,759.60x = 25,117.80 × 10,178.80
  4. Step 4: Simplify right side
    16,759.60x = 255,669,062.64
  5. Step 5: Solve for x
    x = 255,669,062.64/16,759.60
  6. Step 6: Final answer
    x = 15,255.08

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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.