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Finding the Fourth Proportional to 22,186.74, 33,270.86 and 9,030.18

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Solution

The fourth proportional to 22,186.74, 33,270.86 and 9,030.18 is: 13,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.74 : 33,270.86 = 9,030.18 : x
  2. Step 2: Convert to fraction form
    22,186.74/33,270.86 = 9,030.18/x
  3. Step 3: Cross multiply
    22,186.74x = 33,270.86 × 9,030.18
  4. Step 4: Simplify right side
    22,186.74x = 300,441,854.55
  5. Step 5: Solve for x
    x = 300,441,854.55/22,186.74
  6. Step 6: Final answer
    x = 13,541.51

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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.