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Finding the Fourth Proportional to 41,482.92, 57,246.30 and 22,620

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Solution

The fourth proportional to 41,482.92, 57,246.30 and 22,620 is: 31,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,482.92 : 57,246.30 = 22,620 : x
  2. Step 2: Convert to fraction form
    41,482.92/57,246.30 = 22,620/x
  3. Step 3: Cross multiply
    41,482.92x = 57,246.30 × 22,620
  4. Step 4: Simplify right side
    41,482.92x = 1,294,911,306
  5. Step 5: Solve for x
    x = 1,294,911,306/41,482.92
  6. Step 6: Final answer
    x = 31,215.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.