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Finding the Fourth Proportional to 62,101.86, 93,079.88 and 28,751.47

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Solution

The fourth proportional to 62,101.86, 93,079.88 and 28,751.47 is: 43,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,101.86 : 93,079.88 = 28,751.47 : x
  2. Step 2: Convert to fraction form
    62,101.86/93,079.88 = 28,751.47/x
  3. Step 3: Cross multiply
    62,101.86x = 93,079.88 × 28,751.47
  4. Step 4: Simplify right side
    62,101.86x = 2,676,183,794.09
  5. Step 5: Solve for x
    x = 2,676,183,794.09/62,101.86
  6. Step 6: Final answer
    x = 43,093.46

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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.