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Finding the Fourth Proportional to 61,374.18, 84,696.48 and 34,516.74

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Solution

The fourth proportional to 61,374.18, 84,696.48 and 34,516.74 is: 47,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.18 : 84,696.48 = 34,516.74 : x
  2. Step 2: Convert to fraction form
    61,374.18/84,696.48 = 34,516.74/x
  3. Step 3: Cross multiply
    61,374.18x = 84,696.48 × 34,516.74
  4. Step 4: Simplify right side
    61,374.18x = 2,923,446,379.08
  5. Step 5: Solve for x
    x = 2,923,446,379.08/61,374.18
  6. Step 6: Final answer
    x = 47,633.16

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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.