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Finding the Fourth Proportional to 64,117.89, 88,482.15 and 35,439.53

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Solution

The fourth proportional to 64,117.89, 88,482.15 and 35,439.53 is: 48,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.89 : 88,482.15 = 35,439.53 : x
  2. Step 2: Convert to fraction form
    64,117.89/88,482.15 = 35,439.53/x
  3. Step 3: Cross multiply
    64,117.89x = 88,482.15 × 35,439.53
  4. Step 4: Simplify right side
    64,117.89x = 3,135,765,366.98
  5. Step 5: Solve for x
    x = 3,135,765,366.98/64,117.89
  6. Step 6: Final answer
    x = 48,906.25

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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.