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Finding the Fourth Proportional to 22,246.32, 33,378.78 and 9,759.90

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Solution

The fourth proportional to 22,246.32, 33,378.78 and 9,759.90 is: 14,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.32 : 33,378.78 = 9,759.90 : x
  2. Step 2: Convert to fraction form
    22,246.32/33,378.78 = 9,759.90/x
  3. Step 3: Cross multiply
    22,246.32x = 33,378.78 × 9,759.90
  4. Step 4: Simplify right side
    22,246.32x = 325,773,554.92
  5. Step 5: Solve for x
    x = 325,773,554.92/22,246.32
  6. Step 6: Final answer
    x = 14,643.93

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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.