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Finding the Fourth Proportional to 61,017.88, 84,211.74 and 37,158.52

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Solution

The fourth proportional to 61,017.88, 84,211.74 and 37,158.52 is: 51,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,017.88 : 84,211.74 = 37,158.52 : x
  2. Step 2: Convert to fraction form
    61,017.88/84,211.74 = 37,158.52/x
  3. Step 3: Cross multiply
    61,017.88x = 84,211.74 × 37,158.52
  4. Step 4: Simplify right side
    61,017.88x = 3,129,183,625.02
  5. Step 5: Solve for x
    x = 3,129,183,625.02/61,017.88
  6. Step 6: Final answer
    x = 51,283.06

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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.