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Finding the Fourth Proportional to 7,404.79, 10,213.81 and 4,418.32

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Solution

The fourth proportional to 7,404.79, 10,213.81 and 4,418.32 is: 6,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.79 : 10,213.81 = 4,418.32 : x
  2. Step 2: Convert to fraction form
    7,404.79/10,213.81 = 4,418.32/x
  3. Step 3: Cross multiply
    7,404.79x = 10,213.81 × 4,418.32
  4. Step 4: Simplify right side
    7,404.79x = 45,127,881.00
  5. Step 5: Solve for x
    x = 45,127,881.00/7,404.79
  6. Step 6: Final answer
    x = 6,094.42

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