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Finding the Fourth Proportional to 5,350.66, 8,006.79 and 4,690.66

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Solution

The fourth proportional to 5,350.66, 8,006.79 and 4,690.66 is: 7,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.66 : 8,006.79 = 4,690.66 : x
  2. Step 2: Convert to fraction form
    5,350.66/8,006.79 = 4,690.66/x
  3. Step 3: Cross multiply
    5,350.66x = 8,006.79 × 4,690.66
  4. Step 4: Simplify right side
    5,350.66x = 37,557,129.58
  5. Step 5: Solve for x
    x = 37,557,129.58/5,350.66
  6. Step 6: Final answer
    x = 7,019.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.