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Finding the Fourth Proportional to 16,605.70, 24,908.55 and 5,514.10

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Solution

The fourth proportional to 16,605.70, 24,908.55 and 5,514.10 is: 8,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.70 : 24,908.55 = 5,514.10 : x
  2. Step 2: Convert to fraction form
    16,605.70/24,908.55 = 5,514.10/x
  3. Step 3: Cross multiply
    16,605.70x = 24,908.55 × 5,514.10
  4. Step 4: Simplify right side
    16,605.70x = 137,348,235.56
  5. Step 5: Solve for x
    x = 137,348,235.56/16,605.70
  6. Step 6: Final answer
    x = 8,271.15

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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.