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Finding the Fourth Proportional to 60,888.31, 84,029.81 and 34,031.95

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Solution

The fourth proportional to 60,888.31, 84,029.81 and 34,031.95 is: 46,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.31 : 84,029.81 = 34,031.95 : x
  2. Step 2: Convert to fraction form
    60,888.31/84,029.81 = 34,031.95/x
  3. Step 3: Cross multiply
    60,888.31x = 84,029.81 × 34,031.95
  4. Step 4: Simplify right side
    60,888.31x = 2,859,697,912.20
  5. Step 5: Solve for x
    x = 2,859,697,912.20/60,888.31
  6. Step 6: Final answer
    x = 46,966.29

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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.