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Finding the Fourth Proportional to 60,878.76, 84,020.63 and 34,026.86

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Solution

The fourth proportional to 60,878.76, 84,020.63 and 34,026.86 is: 46,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,878.76 : 84,020.63 = 34,026.86 : x
  2. Step 2: Convert to fraction form
    60,878.76/84,020.63 = 34,026.86/x
  3. Step 3: Cross multiply
    60,878.76x = 84,020.63 × 34,026.86
  4. Step 4: Simplify right side
    60,878.76x = 2,858,957,623.88
  5. Step 5: Solve for x
    x = 2,858,957,623.88/60,878.76
  6. Step 6: Final answer
    x = 46,961.50

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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.