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Finding the Fourth Proportional to 8,648.04, 11,934.90 and 4,922.04

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Solution

The fourth proportional to 8,648.04, 11,934.90 and 4,922.04 is: 6,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.04 : 11,934.90 = 4,922.04 : x
  2. Step 2: Convert to fraction form
    8,648.04/11,934.90 = 4,922.04/x
  3. Step 3: Cross multiply
    8,648.04x = 11,934.90 × 4,922.04
  4. Step 4: Simplify right side
    8,648.04x = 58,744,055.20
  5. Step 5: Solve for x
    x = 58,744,055.20/8,648.04
  6. Step 6: Final answer
    x = 6,792.76

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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.