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Finding the Fourth Proportional to 61,656.57, 85,087.77 and 37,449.36

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Solution

The fourth proportional to 61,656.57, 85,087.77 and 37,449.36 is: 51,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,656.57 : 85,087.77 = 37,449.36 : x
  2. Step 2: Convert to fraction form
    61,656.57/85,087.77 = 37,449.36/x
  3. Step 3: Cross multiply
    61,656.57x = 85,087.77 × 37,449.36
  4. Step 4: Simplify right side
    61,656.57x = 3,186,482,530.33
  5. Step 5: Solve for x
    x = 3,186,482,530.33/61,656.57
  6. Step 6: Final answer
    x = 51,681.15

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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.