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Finding the Fourth Proportional to 61,967.59, 85,515.13 and 33,673.28

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Solution

The fourth proportional to 61,967.59, 85,515.13 and 33,673.28 is: 46,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967.59 : 85,515.13 = 33,673.28 : x
  2. Step 2: Convert to fraction form
    61,967.59/85,515.13 = 33,673.28/x
  3. Step 3: Cross multiply
    61,967.59x = 85,515.13 × 33,673.28
  4. Step 4: Simplify right side
    61,967.59x = 2,879,574,916.73
  5. Step 5: Solve for x
    x = 2,879,574,916.73/61,967.59
  6. Step 6: Final answer
    x = 46,469.05

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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.