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Finding the Fourth Proportional to 16,711.67, 25,070.67 and 6,717.19

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Solution

The fourth proportional to 16,711.67, 25,070.67 and 6,717.19 is: 10,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.67 : 25,070.67 = 6,717.19 : x
  2. Step 2: Convert to fraction form
    16,711.67/25,070.67 = 6,717.19/x
  3. Step 3: Cross multiply
    16,711.67x = 25,070.67 × 6,717.19
  4. Step 4: Simplify right side
    16,711.67x = 168,404,499.70
  5. Step 5: Solve for x
    x = 168,404,499.70/16,711.67
  6. Step 6: Final answer
    x = 10,077.06

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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.