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Finding the Fourth Proportional to 13,041.97, 17,998.07 and 7,073.69

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Solution

The fourth proportional to 13,041.97, 17,998.07 and 7,073.69 is: 9,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.97 : 17,998.07 = 7,073.69 : x
  2. Step 2: Convert to fraction form
    13,041.97/17,998.07 = 7,073.69/x
  3. Step 3: Cross multiply
    13,041.97x = 17,998.07 × 7,073.69
  4. Step 4: Simplify right side
    13,041.97x = 127,312,642.42
  5. Step 5: Solve for x
    x = 127,312,642.42/13,041.97
  6. Step 6: Final answer
    x = 9,761.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.