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Finding the Fourth Proportional to 61,065.63, 84,269.05 and 34,207.96

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Solution

The fourth proportional to 61,065.63, 84,269.05 and 34,207.96 is: 47,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,065.63 : 84,269.05 = 34,207.96 : x
  2. Step 2: Convert to fraction form
    61,065.63/84,269.05 = 34,207.96/x
  3. Step 3: Cross multiply
    61,065.63x = 84,269.05 × 34,207.96
  4. Step 4: Simplify right side
    61,065.63x = 2,882,672,291.64
  5. Step 5: Solve for x
    x = 2,882,672,291.64/61,065.63
  6. Step 6: Final answer
    x = 47,206.13

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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.