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Finding the Fourth Proportional to 7,606.60, 11,409.74 and 3,502.60

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Solution

The fourth proportional to 7,606.60, 11,409.74 and 3,502.60 is: 5,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.60 : 11,409.74 = 3,502.60 : x
  2. Step 2: Convert to fraction form
    7,606.60/11,409.74 = 3,502.60/x
  3. Step 3: Cross multiply
    7,606.60x = 11,409.74 × 3,502.60
  4. Step 4: Simplify right side
    7,606.60x = 39,963,755.32
  5. Step 5: Solve for x
    x = 39,963,755.32/7,606.60
  6. Step 6: Final answer
    x = 5,253.83

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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.