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Finding the Fourth Proportional to 9,681.53, 14,523.17 and 3,758.28

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Solution

The fourth proportional to 9,681.53, 14,523.17 and 3,758.28 is: 5,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.53 : 14,523.17 = 3,758.28 : x
  2. Step 2: Convert to fraction form
    9,681.53/14,523.17 = 3,758.28/x
  3. Step 3: Cross multiply
    9,681.53x = 14,523.17 × 3,758.28
  4. Step 4: Simplify right side
    9,681.53x = 54,582,120.56
  5. Step 5: Solve for x
    x = 54,582,120.56/9,681.53
  6. Step 6: Final answer
    x = 5,637.76

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1.5x scale

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.