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Finding the Fourth Proportional to 60,930.32, 91,403 and 29,742

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Solution

The fourth proportional to 60,930.32, 91,403 and 29,742 is: 44,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,930.32 : 91,403 = 29,742 : x
  2. Step 2: Convert to fraction form
    60,930.32/91,403 = 29,742/x
  3. Step 3: Cross multiply
    60,930.32x = 91,403 × 29,742
  4. Step 4: Simplify right side
    60,930.32x = 2,718,508,026
  5. Step 5: Solve for x
    x = 2,718,508,026/60,930.32
  6. Step 6: Final answer
    x = 44,616.67

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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.