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Finding the Fourth Proportional to 62,093.76, 93,139.72 and 15,346.64

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Solution

The fourth proportional to 62,093.76, 93,139.72 and 15,346.64 is: 23,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,093.76 : 93,139.72 = 15,346.64 : x
  2. Step 2: Convert to fraction form
    62,093.76/93,139.72 = 15,346.64/x
  3. Step 3: Cross multiply
    62,093.76x = 93,139.72 × 15,346.64
  4. Step 4: Simplify right side
    62,093.76x = 1,429,381,752.54
  5. Step 5: Solve for x
    x = 1,429,381,752.54/62,093.76
  6. Step 6: Final answer
    x = 23,019.73

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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.