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Finding the Fourth Proportional to 61,494.45, 84,870.48 and 34,642.27

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Solution

The fourth proportional to 61,494.45, 84,870.48 and 34,642.27 is: 47,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.45 : 84,870.48 = 34,642.27 : x
  2. Step 2: Convert to fraction form
    61,494.45/84,870.48 = 34,642.27/x
  3. Step 3: Cross multiply
    61,494.45x = 84,870.48 × 34,642.27
  4. Step 4: Simplify right side
    61,494.45x = 2,940,106,083.19
  5. Step 5: Solve for x
    x = 2,940,106,083.19/61,494.45
  6. Step 6: Final answer
    x = 47,810.92

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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.