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Finding the Fourth Proportional to 16,666.20, 24,950.70 and 16,180.20

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Solution

The fourth proportional to 16,666.20, 24,950.70 and 16,180.20 is: 24,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.20 : 24,950.70 = 16,180.20 : x
  2. Step 2: Convert to fraction form
    16,666.20/24,950.70 = 16,180.20/x
  3. Step 3: Cross multiply
    16,666.20x = 24,950.70 × 16,180.20
  4. Step 4: Simplify right side
    16,666.20x = 403,707,316.14
  5. Step 5: Solve for x
    x = 403,707,316.14/16,666.20
  6. Step 6: Final answer
    x = 24,223.12

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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.