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Finding the Fourth Proportional to 7,605.60, 11,410.10 and 2,675.40

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Solution

The fourth proportional to 7,605.60, 11,410.10 and 2,675.40 is: 4,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.60 : 11,410.10 = 2,675.40 : x
  2. Step 2: Convert to fraction form
    7,605.60/11,410.10 = 2,675.40/x
  3. Step 3: Cross multiply
    7,605.60x = 11,410.10 × 2,675.40
  4. Step 4: Simplify right side
    7,605.60x = 30,526,581.54
  5. Step 5: Solve for x
    x = 30,526,581.54/7,605.60
  6. Step 6: Final answer
    x = 4,013.70

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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.