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Finding the Fourth Proportional to 19,073.60, 28,552.80 and 16,769.60

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Solution

The fourth proportional to 19,073.60, 28,552.80 and 16,769.60 is: 25,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.60 : 28,552.80 = 16,769.60 : x
  2. Step 2: Convert to fraction form
    19,073.60/28,552.80 = 16,769.60/x
  3. Step 3: Cross multiply
    19,073.60x = 28,552.80 × 16,769.60
  4. Step 4: Simplify right side
    19,073.60x = 478,819,034.88
  5. Step 5: Solve for x
    x = 478,819,034.88/19,073.60
  6. Step 6: Final answer
    x = 25,103.76

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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.