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Finding the Fourth Proportional to 34,590.92, 51,878.04 and 15,859.24

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Solution

The fourth proportional to 34,590.92, 51,878.04 and 15,859.24 is: 23,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,590.92 : 51,878.04 = 15,859.24 : x
  2. Step 2: Convert to fraction form
    34,590.92/51,878.04 = 15,859.24/x
  3. Step 3: Cross multiply
    34,590.92x = 51,878.04 × 15,859.24
  4. Step 4: Simplify right side
    34,590.92x = 822,746,287.09
  5. Step 5: Solve for x
    x = 822,746,287.09/34,590.92
  6. Step 6: Final answer
    x = 23,785.04

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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.