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Finding the Fourth Proportional to 61,993.35, 85,549.91 and 35,135.37

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Solution

The fourth proportional to 61,993.35, 85,549.91 and 35,135.37 is: 48,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,993.35 : 85,549.91 = 35,135.37 : x
  2. Step 2: Convert to fraction form
    61,993.35/85,549.91 = 35,135.37/x
  3. Step 3: Cross multiply
    61,993.35x = 85,549.91 × 35,135.37
  4. Step 4: Simplify right side
    61,993.35x = 3,005,827,565.64
  5. Step 5: Solve for x
    x = 3,005,827,565.64/61,993.35
  6. Step 6: Final answer
    x = 48,486.29

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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.