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Finding the Fourth Proportional to 7,374.42, 11,064.42 and 3,476.04

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Solution

The fourth proportional to 7,374.42, 11,064.42 and 3,476.04 is: 5,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.42 : 11,064.42 = 3,476.04 : x
  2. Step 2: Convert to fraction form
    7,374.42/11,064.42 = 3,476.04/x
  3. Step 3: Cross multiply
    7,374.42x = 11,064.42 × 3,476.04
  4. Step 4: Simplify right side
    7,374.42x = 38,460,366.50
  5. Step 5: Solve for x
    x = 38,460,366.50/7,374.42
  6. Step 6: Final answer
    x = 5,215.38

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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.