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Finding the Fourth Proportional to 6,665.59, 9,199.47 and 5,544.65

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Solution

The fourth proportional to 6,665.59, 9,199.47 and 5,544.65 is: 7,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.59 : 9,199.47 = 5,544.65 : x
  2. Step 2: Convert to fraction form
    6,665.59/9,199.47 = 5,544.65/x
  3. Step 3: Cross multiply
    6,665.59x = 9,199.47 × 5,544.65
  4. Step 4: Simplify right side
    6,665.59x = 51,007,885.13
  5. Step 5: Solve for x
    x = 51,007,885.13/6,665.59
  6. Step 6: Final answer
    x = 7,652.42

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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.