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Finding the Fourth Proportional to 60,935.70, 84,090.68 and 34,077.90

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Solution

The fourth proportional to 60,935.70, 84,090.68 and 34,077.90 is: 47,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,935.70 : 84,090.68 = 34,077.90 : x
  2. Step 2: Convert to fraction form
    60,935.70/84,090.68 = 34,077.90/x
  3. Step 3: Cross multiply
    60,935.70x = 84,090.68 × 34,077.90
  4. Step 4: Simplify right side
    60,935.70x = 2,865,633,613.58
  5. Step 5: Solve for x
    x = 2,865,633,613.58/60,935.70
  6. Step 6: Final answer
    x = 47,027.17

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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.