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Finding the Fourth Proportional to 60,870.54, 84,004.59 and 34,013.70

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Solution

The fourth proportional to 60,870.54, 84,004.59 and 34,013.70 is: 46,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,870.54 : 84,004.59 = 34,013.70 : x
  2. Step 2: Convert to fraction form
    60,870.54/84,004.59 = 34,013.70/x
  3. Step 3: Cross multiply
    60,870.54x = 84,004.59 × 34,013.70
  4. Step 4: Simplify right side
    60,870.54x = 2,857,306,922.88
  5. Step 5: Solve for x
    x = 2,857,306,922.88/60,870.54
  6. Step 6: Final answer
    x = 46,940.72

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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.