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Finding the Fourth Proportional to 8,062.15, 12,106.86 and 4,948.39

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Solution

The fourth proportional to 8,062.15, 12,106.86 and 4,948.39 is: 7,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.15 : 12,106.86 = 4,948.39 : x
  2. Step 2: Convert to fraction form
    8,062.15/12,106.86 = 4,948.39/x
  3. Step 3: Cross multiply
    8,062.15x = 12,106.86 × 4,948.39
  4. Step 4: Simplify right side
    8,062.15x = 59,909,464.96
  5. Step 5: Solve for x
    x = 59,909,464.96/8,062.15
  6. Step 6: Final answer
    x = 7,430.95

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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.