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Finding the Fourth Proportional to 61,684.69, 85,124.91 and 34,827.25

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Solution

The fourth proportional to 61,684.69, 85,124.91 and 34,827.25 is: 48,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,684.69 : 85,124.91 = 34,827.25 : x
  2. Step 2: Convert to fraction form
    61,684.69/85,124.91 = 34,827.25/x
  3. Step 3: Cross multiply
    61,684.69x = 85,124.91 × 34,827.25
  4. Step 4: Simplify right side
    61,684.69x = 2,964,666,521.80
  5. Step 5: Solve for x
    x = 2,964,666,521.80/61,684.69
  6. Step 6: Final answer
    x = 48,061.63

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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.