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Finding the Fourth Proportional to 34,058, 47,002.92 and 19,156.88

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Solution

The fourth proportional to 34,058, 47,002.92 and 19,156.88 is: 26,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,058 : 47,002.92 = 19,156.88 : x
  2. Step 2: Convert to fraction form
    34,058/47,002.92 = 19,156.88/x
  3. Step 3: Cross multiply
    34,058x = 47,002.92 × 19,156.88
  4. Step 4: Simplify right side
    34,058x = 900,429,298.09
  5. Step 5: Solve for x
    x = 900,429,298.09/34,058
  6. Step 6: Final answer
    x = 26,438.11

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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.