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Finding the Fourth Proportional to 6,994.79, 10,487.04 and 3,294.93

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Solution

The fourth proportional to 6,994.79, 10,487.04 and 3,294.93 is: 4,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.79 : 10,487.04 = 3,294.93 : x
  2. Step 2: Convert to fraction form
    6,994.79/10,487.04 = 3,294.93/x
  3. Step 3: Cross multiply
    6,994.79x = 10,487.04 × 3,294.93
  4. Step 4: Simplify right side
    6,994.79x = 34,554,062.71
  5. Step 5: Solve for x
    x = 34,554,062.71/6,994.79
  6. Step 6: Final answer
    x = 4,939.97

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Why These Related Problems?

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