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Finding the Fourth Proportional to 16,515.63, 24,780.74 and 6,674.13

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Solution

The fourth proportional to 16,515.63, 24,780.74 and 6,674.13 is: 10,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.63 : 24,780.74 = 6,674.13 : x
  2. Step 2: Convert to fraction form
    16,515.63/24,780.74 = 6,674.13/x
  3. Step 3: Cross multiply
    16,515.63x = 24,780.74 × 6,674.13
  4. Step 4: Simplify right side
    16,515.63x = 165,389,846.89
  5. Step 5: Solve for x
    x = 165,389,846.89/16,515.63
  6. Step 6: Final answer
    x = 10,014.14

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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.