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Finding the Fourth Proportional to 20,024.80, 29,950.80 and 16,914.40

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Solution

The fourth proportional to 20,024.80, 29,950.80 and 16,914.40 is: 25,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.80 : 29,950.80 = 16,914.40 : x
  2. Step 2: Convert to fraction form
    20,024.80/29,950.80 = 16,914.40/x
  3. Step 3: Cross multiply
    20,024.80x = 29,950.80 × 16,914.40
  4. Step 4: Simplify right side
    20,024.80x = 506,599,811.52
  5. Step 5: Solve for x
    x = 506,599,811.52/20,024.80
  6. Step 6: Final answer
    x = 25,298.62

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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.