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Finding the Fourth Proportional to 61,909.60, 85,436.48 and 35,052

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Solution

The fourth proportional to 61,909.60, 85,436.48 and 35,052 is: 48,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.60 : 85,436.48 = 35,052 : x
  2. Step 2: Convert to fraction form
    61,909.60/85,436.48 = 35,052/x
  3. Step 3: Cross multiply
    61,909.60x = 85,436.48 × 35,052
  4. Step 4: Simplify right side
    61,909.60x = 2,994,719,496.96
  5. Step 5: Solve for x
    x = 2,994,719,496.96/61,909.60
  6. Step 6: Final answer
    x = 48,372.46

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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.