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Finding the Fourth Proportional to 7,360.40, 11,026.20 and 5,027.60

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Solution

The fourth proportional to 7,360.40, 11,026.20 and 5,027.60 is: 7,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.40 : 11,026.20 = 5,027.60 : x
  2. Step 2: Convert to fraction form
    7,360.40/11,026.20 = 5,027.60/x
  3. Step 3: Cross multiply
    7,360.40x = 11,026.20 × 5,027.60
  4. Step 4: Simplify right side
    7,360.40x = 55,435,323.12
  5. Step 5: Solve for x
    x = 55,435,323.12/7,360.40
  6. Step 6: Final answer
    x = 7,531.56

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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.