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Finding the Fourth Proportional to 8,015.62, 11,065.05 and 5,748.58

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Solution

The fourth proportional to 8,015.62, 11,065.05 and 5,748.58 is: 7,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.62 : 11,065.05 = 5,748.58 : x
  2. Step 2: Convert to fraction form
    8,015.62/11,065.05 = 5,748.58/x
  3. Step 3: Cross multiply
    8,015.62x = 11,065.05 × 5,748.58
  4. Step 4: Simplify right side
    8,015.62x = 63,608,325.13
  5. Step 5: Solve for x
    x = 63,608,325.13/8,015.62
  6. Step 6: Final answer
    x = 7,935.55

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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.