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Finding the Fourth Proportional to 22,501.19, 33,751.79 and 6,918.95

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Solution

The fourth proportional to 22,501.19, 33,751.79 and 6,918.95 is: 10,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.19 : 33,751.79 = 6,918.95 : x
  2. Step 2: Convert to fraction form
    22,501.19/33,751.79 = 6,918.95/x
  3. Step 3: Cross multiply
    22,501.19x = 33,751.79 × 6,918.95
  4. Step 4: Simplify right side
    22,501.19x = 233,526,947.42
  5. Step 5: Solve for x
    x = 233,526,947.42/22,501.19
  6. Step 6: Final answer
    x = 10,378.43

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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.