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Finding the Fourth Proportional to 61,353.81, 84,668.40 and 34,496.55

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Solution

The fourth proportional to 61,353.81, 84,668.40 and 34,496.55 is: 47,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.81 : 84,668.40 = 34,496.55 : x
  2. Step 2: Convert to fraction form
    61,353.81/84,668.40 = 34,496.55/x
  3. Step 3: Cross multiply
    61,353.81x = 84,668.40 × 34,496.55
  4. Step 4: Simplify right side
    61,353.81x = 2,920,767,694.02
  5. Step 5: Solve for x
    x = 2,920,767,694.02/61,353.81
  6. Step 6: Final answer
    x = 47,605.32

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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.