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Finding the Fourth Proportional to 6,262.11, 8,638.65 and 4,855.14

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Solution

The fourth proportional to 6,262.11, 8,638.65 and 4,855.14 is: 6,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.11 : 8,638.65 = 4,855.14 : x
  2. Step 2: Convert to fraction form
    6,262.11/8,638.65 = 4,855.14/x
  3. Step 3: Cross multiply
    6,262.11x = 8,638.65 × 4,855.14
  4. Step 4: Simplify right side
    6,262.11x = 41,941,855.16
  5. Step 5: Solve for x
    x = 41,941,855.16/6,262.11
  6. Step 6: Final answer
    x = 6,697.72

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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.