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Finding the Fourth Proportional to 7,605.41, 11,408.13 and 2,340.38

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Solution

The fourth proportional to 7,605.41, 11,408.13 and 2,340.38 is: 3,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.41 : 11,408.13 = 2,340.38 : x
  2. Step 2: Convert to fraction form
    7,605.41/11,408.13 = 2,340.38/x
  3. Step 3: Cross multiply
    7,605.41x = 11,408.13 × 2,340.38
  4. Step 4: Simplify right side
    7,605.41x = 26,699,302.25
  5. Step 5: Solve for x
    x = 26,699,302.25/7,605.41
  6. Step 6: Final answer
    x = 3,510.57

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1.5x scale

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.