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Finding the Fourth Proportional to 2,444.72, 3,666.84 and 713.34

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Solution

The fourth proportional to 2,444.72, 3,666.84 and 713.34 is: 1,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.72 : 3,666.84 = 713.34 : x
  2. Step 2: Convert to fraction form
    2,444.72/3,666.84 = 713.34/x
  3. Step 3: Cross multiply
    2,444.72x = 3,666.84 × 713.34
  4. Step 4: Simplify right side
    2,444.72x = 2,615,703.65
  5. Step 5: Solve for x
    x = 2,615,703.65/2,444.72
  6. Step 6: Final answer
    x = 1,069.94

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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.