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Finding the Fourth Proportional to 9,294.33, 12,822.12 and 5,313.99

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Solution

The fourth proportional to 9,294.33, 12,822.12 and 5,313.99 is: 7,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.33 : 12,822.12 = 5,313.99 : x
  2. Step 2: Convert to fraction form
    9,294.33/12,822.12 = 5,313.99/x
  3. Step 3: Cross multiply
    9,294.33x = 12,822.12 × 5,313.99
  4. Step 4: Simplify right side
    9,294.33x = 68,136,617.46
  5. Step 5: Solve for x
    x = 68,136,617.46/9,294.33
  6. Step 6: Final answer
    x = 7,330.99

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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.