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Finding the Fourth Proportional to 8,260.03, 11,398.65 and 4,483.20

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Solution

The fourth proportional to 8,260.03, 11,398.65 and 4,483.20 is: 6,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.03 : 11,398.65 = 4,483.20 : x
  2. Step 2: Convert to fraction form
    8,260.03/11,398.65 = 4,483.20/x
  3. Step 3: Cross multiply
    8,260.03x = 11,398.65 × 4,483.20
  4. Step 4: Simplify right side
    8,260.03x = 51,102,427.68
  5. Step 5: Solve for x
    x = 51,102,427.68/8,260.03
  6. Step 6: Final answer
    x = 6,186.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.