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Finding the Fourth Proportional to 9,774.57, 14,662.72 and 2,754.65

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Solution

The fourth proportional to 9,774.57, 14,662.72 and 2,754.65 is: 4,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.57 : 14,662.72 = 2,754.65 : x
  2. Step 2: Convert to fraction form
    9,774.57/14,662.72 = 2,754.65/x
  3. Step 3: Cross multiply
    9,774.57x = 14,662.72 × 2,754.65
  4. Step 4: Simplify right side
    9,774.57x = 40,390,701.75
  5. Step 5: Solve for x
    x = 40,390,701.75/9,774.57
  6. Step 6: Final answer
    x = 4,132.22

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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.