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Finding the Fourth Proportional to 34,859.78, 48,098.73 and 19,751.12

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Solution

The fourth proportional to 34,859.78, 48,098.73 and 19,751.12 is: 27,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.78 : 48,098.73 = 19,751.12 : x
  2. Step 2: Convert to fraction form
    34,859.78/48,098.73 = 19,751.12/x
  3. Step 3: Cross multiply
    34,859.78x = 48,098.73 × 19,751.12
  4. Step 4: Simplify right side
    34,859.78x = 950,003,788.08
  5. Step 5: Solve for x
    x = 950,003,788.08/34,859.78
  6. Step 6: Final answer
    x = 27,252.15

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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.