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Finding the Fourth Proportional to 22,643.96, 33,934.30 and 19,294.72

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Solution

The fourth proportional to 22,643.96, 33,934.30 and 19,294.72 is: 28,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.96 : 33,934.30 = 19,294.72 : x
  2. Step 2: Convert to fraction form
    22,643.96/33,934.30 = 19,294.72/x
  3. Step 3: Cross multiply
    22,643.96x = 33,934.30 × 19,294.72
  4. Step 4: Simplify right side
    22,643.96x = 654,752,816.90
  5. Step 5: Solve for x
    x = 654,752,816.90/22,643.96
  6. Step 6: Final answer
    x = 28,915.12

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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.