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Finding the Fourth Proportional to 62,012.92, 92,967.54 and 28,756.72

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Solution

The fourth proportional to 62,012.92, 92,967.54 and 28,756.72 is: 43,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,012.92 : 92,967.54 = 28,756.72 : x
  2. Step 2: Convert to fraction form
    62,012.92/92,967.54 = 28,756.72/x
  3. Step 3: Cross multiply
    62,012.92x = 92,967.54 × 28,756.72
  4. Step 4: Simplify right side
    62,012.92x = 2,673,441,516.87
  5. Step 5: Solve for x
    x = 2,673,441,516.87/62,012.92
  6. Step 6: Final answer
    x = 43,111.04

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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.