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Finding the Fourth Proportional to 7,502.41, 11,239.03 and 3,609.55

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Solution

The fourth proportional to 7,502.41, 11,239.03 and 3,609.55 is: 5,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.41 : 11,239.03 = 3,609.55 : x
  2. Step 2: Convert to fraction form
    7,502.41/11,239.03 = 3,609.55/x
  3. Step 3: Cross multiply
    7,502.41x = 11,239.03 × 3,609.55
  4. Step 4: Simplify right side
    7,502.41x = 40,567,840.74
  5. Step 5: Solve for x
    x = 40,567,840.74/7,502.41
  6. Step 6: Final answer
    x = 5,407.31

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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.