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Finding the Fourth Proportional to 15,375.44, 23,063.16 and 4,987.28

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Solution

The fourth proportional to 15,375.44, 23,063.16 and 4,987.28 is: 7,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.44 : 23,063.16 = 4,987.28 : x
  2. Step 2: Convert to fraction form
    15,375.44/23,063.16 = 4,987.28/x
  3. Step 3: Cross multiply
    15,375.44x = 23,063.16 × 4,987.28
  4. Step 4: Simplify right side
    15,375.44x = 115,022,436.60
  5. Step 5: Solve for x
    x = 115,022,436.60/15,375.44
  6. Step 6: Final answer
    x = 7,480.92

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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.