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Finding the Fourth Proportional to 3,564.88, 5,342.30 and 1,482.64

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Solution

The fourth proportional to 3,564.88, 5,342.30 and 1,482.64 is: 2,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.88 : 5,342.30 = 1,482.64 : x
  2. Step 2: Convert to fraction form
    3,564.88/5,342.30 = 1,482.64/x
  3. Step 3: Cross multiply
    3,564.88x = 5,342.30 × 1,482.64
  4. Step 4: Simplify right side
    3,564.88x = 7,920,707.67
  5. Step 5: Solve for x
    x = 7,920,707.67/3,564.88
  6. Step 6: Final answer
    x = 2,221.87

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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.