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Finding the Fourth Proportional to 6,262.35, 8,650.92 and 5,478.10

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Solution

The fourth proportional to 6,262.35, 8,650.92 and 5,478.10 is: 7,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.35 : 8,650.92 = 5,478.10 : x
  2. Step 2: Convert to fraction form
    6,262.35/8,650.92 = 5,478.10/x
  3. Step 3: Cross multiply
    6,262.35x = 8,650.92 × 5,478.10
  4. Step 4: Simplify right side
    6,262.35x = 47,390,604.85
  5. Step 5: Solve for x
    x = 47,390,604.85/6,262.35
  6. Step 6: Final answer
    x = 7,567.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.