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Finding the Fourth Proportional to 5,575.44, 8,363.16 and 5,310

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Solution

The fourth proportional to 5,575.44, 8,363.16 and 5,310 is: 7,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.44 : 8,363.16 = 5,310 : x
  2. Step 2: Convert to fraction form
    5,575.44/8,363.16 = 5,310/x
  3. Step 3: Cross multiply
    5,575.44x = 8,363.16 × 5,310
  4. Step 4: Simplify right side
    5,575.44x = 44,408,379.60
  5. Step 5: Solve for x
    x = 44,408,379.60/5,575.44
  6. Step 6: Final answer
    x = 7,965.00

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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.