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Finding the Fourth Proportional to 61,360.97, 84,676.44 and 34,502.78

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Solution

The fourth proportional to 61,360.97, 84,676.44 and 34,502.78 is: 47,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,360.97 : 84,676.44 = 34,502.78 : x
  2. Step 2: Convert to fraction form
    61,360.97/84,676.44 = 34,502.78/x
  3. Step 3: Cross multiply
    61,360.97x = 84,676.44 × 34,502.78
  4. Step 4: Simplify right side
    61,360.97x = 2,921,572,792.19
  5. Step 5: Solve for x
    x = 2,921,572,792.19/61,360.97
  6. Step 6: Final answer
    x = 47,612.89

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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.