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Finding the Fourth Proportional to 17,801.73, 26,700.89 and 7,272.13

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Solution

The fourth proportional to 17,801.73, 26,700.89 and 7,272.13 is: 10,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.73 : 26,700.89 = 7,272.13 : x
  2. Step 2: Convert to fraction form
    17,801.73/26,700.89 = 7,272.13/x
  3. Step 3: Cross multiply
    17,801.73x = 26,700.89 × 7,272.13
  4. Step 4: Simplify right side
    17,801.73x = 194,172,343.20
  5. Step 5: Solve for x
    x = 194,172,343.20/17,801.73
  6. Step 6: Final answer
    x = 10,907.50

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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.