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Finding the Fourth Proportional to 61,778.64, 92,667.96 and 15,031.11

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Solution

The fourth proportional to 61,778.64, 92,667.96 and 15,031.11 is: 22,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,778.64 : 92,667.96 = 15,031.11 : x
  2. Step 2: Convert to fraction form
    61,778.64/92,667.96 = 15,031.11/x
  3. Step 3: Cross multiply
    61,778.64x = 92,667.96 × 15,031.11
  4. Step 4: Simplify right side
    61,778.64x = 1,392,902,300.24
  5. Step 5: Solve for x
    x = 1,392,902,300.24/61,778.64
  6. Step 6: Final answer
    x = 22,546.67

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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.