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Finding the Fourth Proportional to 7,605.06, 11,410.22 and 3,165.12

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Solution

The fourth proportional to 7,605.06, 11,410.22 and 3,165.12 is: 4,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.06 : 11,410.22 = 3,165.12 : x
  2. Step 2: Convert to fraction form
    7,605.06/11,410.22 = 3,165.12/x
  3. Step 3: Cross multiply
    7,605.06x = 11,410.22 × 3,165.12
  4. Step 4: Simplify right side
    7,605.06x = 36,114,715.53
  5. Step 5: Solve for x
    x = 36,114,715.53/7,605.06
  6. Step 6: Final answer
    x = 4,748.77

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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.