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Finding the Fourth Proportional to 16,613.76, 24,924.48 and 7,382.40

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Solution

The fourth proportional to 16,613.76, 24,924.48 and 7,382.40 is: 11,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.76 : 24,924.48 = 7,382.40 : x
  2. Step 2: Convert to fraction form
    16,613.76/24,924.48 = 7,382.40/x
  3. Step 3: Cross multiply
    16,613.76x = 24,924.48 × 7,382.40
  4. Step 4: Simplify right side
    16,613.76x = 184,002,481.15
  5. Step 5: Solve for x
    x = 184,002,481.15/16,613.76
  6. Step 6: Final answer
    x = 11,075.31

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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.