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Finding the Fourth Proportional to 8,951.95, 12,354.41 and 4,973.30

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Solution

The fourth proportional to 8,951.95, 12,354.41 and 4,973.30 is: 6,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.95 : 12,354.41 = 4,973.30 : x
  2. Step 2: Convert to fraction form
    8,951.95/12,354.41 = 4,973.30/x
  3. Step 3: Cross multiply
    8,951.95x = 12,354.41 × 4,973.30
  4. Step 4: Simplify right side
    8,951.95x = 61,442,162.39
  5. Step 5: Solve for x
    x = 61,442,162.39/8,951.95
  6. Step 6: Final answer
    x = 6,863.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.