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Finding the Fourth Proportional to 17,195.18, 25,801.65 and 7,331.81

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Solution

The fourth proportional to 17,195.18, 25,801.65 and 7,331.81 is: 11,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.18 : 25,801.65 = 7,331.81 : x
  2. Step 2: Convert to fraction form
    17,195.18/25,801.65 = 7,331.81/x
  3. Step 3: Cross multiply
    17,195.18x = 25,801.65 × 7,331.81
  4. Step 4: Simplify right side
    17,195.18x = 189,172,730.98
  5. Step 5: Solve for x
    x = 189,172,730.98/17,195.18
  6. Step 6: Final answer
    x = 11,001.50

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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.