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Finding the Fourth Proportional to 5,281.81, 7,924.03 and 1,584.11

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Solution

The fourth proportional to 5,281.81, 7,924.03 and 1,584.11 is: 2,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.81 : 7,924.03 = 1,584.11 : x
  2. Step 2: Convert to fraction form
    5,281.81/7,924.03 = 1,584.11/x
  3. Step 3: Cross multiply
    5,281.81x = 7,924.03 × 1,584.11
  4. Step 4: Simplify right side
    5,281.81x = 12,552,506.44
  5. Step 5: Solve for x
    x = 12,552,506.44/5,281.81
  6. Step 6: Final answer
    x = 2,376.56

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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.