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Finding the Fourth Proportional to 22,251.90, 33,390.14 and 9,113.48

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Solution

The fourth proportional to 22,251.90, 33,390.14 and 9,113.48 is: 13,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.90 : 33,390.14 = 9,113.48 : x
  2. Step 2: Convert to fraction form
    22,251.90/33,390.14 = 9,113.48/x
  3. Step 3: Cross multiply
    22,251.90x = 33,390.14 × 9,113.48
  4. Step 4: Simplify right side
    22,251.90x = 304,300,373.09
  5. Step 5: Solve for x
    x = 304,300,373.09/22,251.90
  6. Step 6: Final answer
    x = 13,675.25

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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.