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Finding the Fourth Proportional to 8,590.79, 12,883.46 and 2,746.04

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Solution

The fourth proportional to 8,590.79, 12,883.46 and 2,746.04 is: 4,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.79 : 12,883.46 = 2,746.04 : x
  2. Step 2: Convert to fraction form
    8,590.79/12,883.46 = 2,746.04/x
  3. Step 3: Cross multiply
    8,590.79x = 12,883.46 × 2,746.04
  4. Step 4: Simplify right side
    8,590.79x = 35,378,418.35
  5. Step 5: Solve for x
    x = 35,378,418.35/8,590.79
  6. Step 6: Final answer
    x = 4,118.18

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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.