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Finding the Fourth Proportional to 70,327.68, 105,487.86 and 17,737.62

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Solution

The fourth proportional to 70,327.68, 105,487.86 and 17,737.62 is: 26,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,327.68 : 105,487.86 = 17,737.62 : x
  2. Step 2: Convert to fraction form
    70,327.68/105,487.86 = 17,737.62/x
  3. Step 3: Cross multiply
    70,327.68x = 105,487.86 × 17,737.62
  4. Step 4: Simplify right side
    70,327.68x = 1,871,103,575.29
  5. Step 5: Solve for x
    x = 1,871,103,575.29/70,327.68
  6. Step 6: Final answer
    x = 26,605.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.