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Finding the Fourth Proportional to 7,083.11, 9,776.11 and 5,401.52

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Solution

The fourth proportional to 7,083.11, 9,776.11 and 5,401.52 is: 7,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.11 : 9,776.11 = 5,401.52 : x
  2. Step 2: Convert to fraction form
    7,083.11/9,776.11 = 5,401.52/x
  3. Step 3: Cross multiply
    7,083.11x = 9,776.11 × 5,401.52
  4. Step 4: Simplify right side
    7,083.11x = 52,805,853.69
  5. Step 5: Solve for x
    x = 52,805,853.69/7,083.11
  6. Step 6: Final answer
    x = 7,455.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.