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Finding the Fourth Proportional to 8,018.64, 11,064.60 and 4,482

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Solution

The fourth proportional to 8,018.64, 11,064.60 and 4,482 is: 6,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.64 : 11,064.60 = 4,482 : x
  2. Step 2: Convert to fraction form
    8,018.64/11,064.60 = 4,482/x
  3. Step 3: Cross multiply
    8,018.64x = 11,064.60 × 4,482
  4. Step 4: Simplify right side
    8,018.64x = 49,591,537.20
  5. Step 5: Solve for x
    x = 49,591,537.20/8,018.64
  6. Step 6: Final answer
    x = 6,184.53

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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.