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Finding the Fourth Proportional to 7,627.08, 11,389.86 and 7,544.61

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Solution

The fourth proportional to 7,627.08, 11,389.86 and 7,544.61 is: 11,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.08 : 11,389.86 = 7,544.61 : x
  2. Step 2: Convert to fraction form
    7,627.08/11,389.86 = 7,544.61/x
  3. Step 3: Cross multiply
    7,627.08x = 11,389.86 × 7,544.61
  4. Step 4: Simplify right side
    7,627.08x = 85,932,051.65
  5. Step 5: Solve for x
    x = 85,932,051.65/7,627.08
  6. Step 6: Final answer
    x = 11,266.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.