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Finding the Fourth Proportional to 7,580.68, 11,373.18 and 5,502.76

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Solution

The fourth proportional to 7,580.68, 11,373.18 and 5,502.76 is: 8,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.68 : 11,373.18 = 5,502.76 : x
  2. Step 2: Convert to fraction form
    7,580.68/11,373.18 = 5,502.76/x
  3. Step 3: Cross multiply
    7,580.68x = 11,373.18 × 5,502.76
  4. Step 4: Simplify right side
    7,580.68x = 62,583,879.98
  5. Step 5: Solve for x
    x = 62,583,879.98/7,580.68
  6. Step 6: Final answer
    x = 8,255.71

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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.