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Finding the Fourth Proportional to 8,605.98, 11,867.67 and 5,463.90

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Solution

The fourth proportional to 8,605.98, 11,867.67 and 5,463.90 is: 7,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.98 : 11,867.67 = 5,463.90 : x
  2. Step 2: Convert to fraction form
    8,605.98/11,867.67 = 5,463.90/x
  3. Step 3: Cross multiply
    8,605.98x = 11,867.67 × 5,463.90
  4. Step 4: Simplify right side
    8,605.98x = 64,843,762.11
  5. Step 5: Solve for x
    x = 64,843,762.11/8,605.98
  6. Step 6: Final answer
    x = 7,534.73

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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.