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Finding the Fourth Proportional to 9,330.30, 13,927.18 and 8,223.17

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Solution

The fourth proportional to 9,330.30, 13,927.18 and 8,223.17 is: 12,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.30 : 13,927.18 = 8,223.17 : x
  2. Step 2: Convert to fraction form
    9,330.30/13,927.18 = 8,223.17/x
  3. Step 3: Cross multiply
    9,330.30x = 13,927.18 × 8,223.17
  4. Step 4: Simplify right side
    9,330.30x = 114,525,499.12
  5. Step 5: Solve for x
    x = 114,525,499.12/9,330.30
  6. Step 6: Final answer
    x = 12,274.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.