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Finding the Fourth Proportional to 17,995.80, 27,001.89 and 9,236.87

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Solution

The fourth proportional to 17,995.80, 27,001.89 and 9,236.87 is: 13,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.80 : 27,001.89 = 9,236.87 : x
  2. Step 2: Convert to fraction form
    17,995.80/27,001.89 = 9,236.87/x
  3. Step 3: Cross multiply
    17,995.80x = 27,001.89 × 9,236.87
  4. Step 4: Simplify right side
    17,995.80x = 249,412,812.67
  5. Step 5: Solve for x
    x = 249,412,812.67/17,995.80
  6. Step 6: Final answer
    x = 13,859.50

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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.