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Finding the Fourth Proportional to 7,589.75, 10,479.02 and 4,758.30

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Solution

The fourth proportional to 7,589.75, 10,479.02 and 4,758.30 is: 6,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.75 : 10,479.02 = 4,758.30 : x
  2. Step 2: Convert to fraction form
    7,589.75/10,479.02 = 4,758.30/x
  3. Step 3: Cross multiply
    7,589.75x = 10,479.02 × 4,758.30
  4. Step 4: Simplify right side
    7,589.75x = 49,862,297.07
  5. Step 5: Solve for x
    x = 49,862,297.07/7,589.75
  6. Step 6: Final answer
    x = 6,569.69

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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.