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Finding the Fourth Proportional to 8,018.60, 11,065.14 and 4,481

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Solution

The fourth proportional to 8,018.60, 11,065.14 and 4,481 is: 6,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.60 : 11,065.14 = 4,481 : x
  2. Step 2: Convert to fraction form
    8,018.60/11,065.14 = 4,481/x
  3. Step 3: Cross multiply
    8,018.60x = 11,065.14 × 4,481
  4. Step 4: Simplify right side
    8,018.60x = 49,582,892.34
  5. Step 5: Solve for x
    x = 49,582,892.34/8,018.60
  6. Step 6: Final answer
    x = 6,183.48

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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.