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Finding the Fourth Proportional to 9,330.24, 13,994.88 and 4,713.12

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Solution

The fourth proportional to 9,330.24, 13,994.88 and 4,713.12 is: 7,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.24 : 13,994.88 = 4,713.12 : x
  2. Step 2: Convert to fraction form
    9,330.24/13,994.88 = 4,713.12/x
  3. Step 3: Cross multiply
    9,330.24x = 13,994.88 × 4,713.12
  4. Step 4: Simplify right side
    9,330.24x = 65,959,548.83
  5. Step 5: Solve for x
    x = 65,959,548.83/9,330.24
  6. Step 6: Final answer
    x = 7,069.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.