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Finding the Fourth Proportional to 61,264.80, 84,568.80 and 59,579.44

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Solution

The fourth proportional to 61,264.80, 84,568.80 and 59,579.44 is: 82,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.80 : 84,568.80 = 59,579.44 : x
  2. Step 2: Convert to fraction form
    61,264.80/84,568.80 = 59,579.44/x
  3. Step 3: Cross multiply
    61,264.80x = 84,568.80 × 59,579.44
  4. Step 4: Simplify right side
    61,264.80x = 5,038,561,745.47
  5. Step 5: Solve for x
    x = 5,038,561,745.47/61,264.80
  6. Step 6: Final answer
    x = 82,242.36

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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.