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Finding the Fourth Proportional to 40,615.62, 60,917.13 and 15,667.35

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Solution

The fourth proportional to 40,615.62, 60,917.13 and 15,667.35 is: 23,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.62 : 60,917.13 = 15,667.35 : x
  2. Step 2: Convert to fraction form
    40,615.62/60,917.13 = 15,667.35/x
  3. Step 3: Cross multiply
    40,615.62x = 60,917.13 × 15,667.35
  4. Step 4: Simplify right side
    40,615.62x = 954,409,996.71
  5. Step 5: Solve for x
    x = 954,409,996.71/40,615.62
  6. Step 6: Final answer
    x = 23,498.59

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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.