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Finding the Fourth Proportional to 6,089.91, 9,130.62 and 3,317.88

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Solution

The fourth proportional to 6,089.91, 9,130.62 and 3,317.88 is: 4,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.91 : 9,130.62 = 3,317.88 : x
  2. Step 2: Convert to fraction form
    6,089.91/9,130.62 = 3,317.88/x
  3. Step 3: Cross multiply
    6,089.91x = 9,130.62 × 3,317.88
  4. Step 4: Simplify right side
    6,089.91x = 30,294,301.49
  5. Step 5: Solve for x
    x = 30,294,301.49/6,089.91
  6. Step 6: Final answer
    x = 4,974.51

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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.