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Finding the Fourth Proportional to 16,681.85, 25,022.75 and 6,691.10

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Solution

The fourth proportional to 16,681.85, 25,022.75 and 6,691.10 is: 10,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.85 : 25,022.75 = 6,691.10 : x
  2. Step 2: Convert to fraction form
    16,681.85/25,022.75 = 6,691.10/x
  3. Step 3: Cross multiply
    16,681.85x = 25,022.75 × 6,691.10
  4. Step 4: Simplify right side
    16,681.85x = 167,429,563.96
  5. Step 5: Solve for x
    x = 167,429,563.96/16,681.85
  6. Step 6: Final answer
    x = 10,036.63

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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.