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Finding the Fourth Proportional to 9,344.99, 12,895.49 and 5,363.30

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Solution

The fourth proportional to 9,344.99, 12,895.49 and 5,363.30 is: 7,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.99 : 12,895.49 = 5,363.30 : x
  2. Step 2: Convert to fraction form
    9,344.99/12,895.49 = 5,363.30/x
  3. Step 3: Cross multiply
    9,344.99x = 12,895.49 × 5,363.30
  4. Step 4: Simplify right side
    9,344.99x = 69,162,427.16
  5. Step 5: Solve for x
    x = 69,162,427.16/9,344.99
  6. Step 6: Final answer
    x = 7,401.01

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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.