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Finding the Fourth Proportional to 63,604, 87,773.70 and 35,309.68

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Solution

The fourth proportional to 63,604, 87,773.70 and 35,309.68 is: 48,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604 : 87,773.70 = 35,309.68 : x
  2. Step 2: Convert to fraction form
    63,604/87,773.70 = 35,309.68/x
  3. Step 3: Cross multiply
    63,604x = 87,773.70 × 35,309.68
  4. Step 4: Simplify right side
    63,604x = 3,099,261,259.42
  5. Step 5: Solve for x
    x = 3,099,261,259.42/63,604
  6. Step 6: Final answer
    x = 48,727.46

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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.