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Finding the Fourth Proportional to 8,618.01, 12,923.24 and 2,693.27

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Solution

The fourth proportional to 8,618.01, 12,923.24 and 2,693.27 is: 4,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.01 : 12,923.24 = 2,693.27 : x
  2. Step 2: Convert to fraction form
    8,618.01/12,923.24 = 2,693.27/x
  3. Step 3: Cross multiply
    8,618.01x = 12,923.24 × 2,693.27
  4. Step 4: Simplify right side
    8,618.01x = 34,805,696.51
  5. Step 5: Solve for x
    x = 34,805,696.51/8,618.01
  6. Step 6: Final answer
    x = 4,038.72

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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.