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Finding the Fourth Proportional to 9,060.68, 13,578.17 and 3,790.01

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Solution

The fourth proportional to 9,060.68, 13,578.17 and 3,790.01 is: 5,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.68 : 13,578.17 = 3,790.01 : x
  2. Step 2: Convert to fraction form
    9,060.68/13,578.17 = 3,790.01/x
  3. Step 3: Cross multiply
    9,060.68x = 13,578.17 × 3,790.01
  4. Step 4: Simplify right side
    9,060.68x = 51,461,415.08
  5. Step 5: Solve for x
    x = 51,461,415.08/9,060.68
  6. Step 6: Final answer
    x = 5,679.64

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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.