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Finding the Fourth Proportional to 17,239.84, 25,866.14 and 7,386.80

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Solution

The fourth proportional to 17,239.84, 25,866.14 and 7,386.80 is: 11,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.84 : 25,866.14 = 7,386.80 : x
  2. Step 2: Convert to fraction form
    17,239.84/25,866.14 = 7,386.80/x
  3. Step 3: Cross multiply
    17,239.84x = 25,866.14 × 7,386.80
  4. Step 4: Simplify right side
    17,239.84x = 191,067,836.69
  5. Step 5: Solve for x
    x = 191,067,836.69/17,239.84
  6. Step 6: Final answer
    x = 11,082.93

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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.