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Finding the Fourth Proportional to 8,698.93, 13,044.51 and 2,774.72

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Solution

The fourth proportional to 8,698.93, 13,044.51 and 2,774.72 is: 4,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.93 : 13,044.51 = 2,774.72 : x
  2. Step 2: Convert to fraction form
    8,698.93/13,044.51 = 2,774.72/x
  3. Step 3: Cross multiply
    8,698.93x = 13,044.51 × 2,774.72
  4. Step 4: Simplify right side
    8,698.93x = 36,194,895.40
  5. Step 5: Solve for x
    x = 36,194,895.40/8,698.93
  6. Step 6: Final answer
    x = 4,160.85

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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.