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Finding the Fourth Proportional to 61,284.92, 84,570.92 and 34,062.72

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Solution

The fourth proportional to 61,284.92, 84,570.92 and 34,062.72 is: 47,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.92 : 84,570.92 = 34,062.72 : x
  2. Step 2: Convert to fraction form
    61,284.92/84,570.92 = 34,062.72/x
  3. Step 3: Cross multiply
    61,284.92x = 84,570.92 × 34,062.72
  4. Step 4: Simplify right side
    61,284.92x = 2,880,715,568.10
  5. Step 5: Solve for x
    x = 2,880,715,568.10/61,284.92
  6. Step 6: Final answer
    x = 47,005.29

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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.