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Finding the Fourth Proportional to 8,036.64, 11,085 and 7,375.68

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Solution

The fourth proportional to 8,036.64, 11,085 and 7,375.68 is: 10,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.64 : 11,085 = 7,375.68 : x
  2. Step 2: Convert to fraction form
    8,036.64/11,085 = 7,375.68/x
  3. Step 3: Cross multiply
    8,036.64x = 11,085 × 7,375.68
  4. Step 4: Simplify right side
    8,036.64x = 81,759,412.80
  5. Step 5: Solve for x
    x = 81,759,412.80/8,036.64
  6. Step 6: Final answer
    x = 10,173.33

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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.