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Finding the Fourth Proportional to 34,788.56, 48,008.18 and 18,873.01

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Solution

The fourth proportional to 34,788.56, 48,008.18 and 18,873.01 is: 26,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.56 : 48,008.18 = 18,873.01 : x
  2. Step 2: Convert to fraction form
    34,788.56/48,008.18 = 18,873.01/x
  3. Step 3: Cross multiply
    34,788.56x = 48,008.18 × 18,873.01
  4. Step 4: Simplify right side
    34,788.56x = 906,058,526.82
  5. Step 5: Solve for x
    x = 906,058,526.82/34,788.56
  6. Step 6: Final answer
    x = 26,044.73

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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.