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Finding the Fourth Proportional to 27,290.28, 40,927.86 and 7,567.32

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Solution

The fourth proportional to 27,290.28, 40,927.86 and 7,567.32 is: 11,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.28 : 40,927.86 = 7,567.32 : x
  2. Step 2: Convert to fraction form
    27,290.28/40,927.86 = 7,567.32/x
  3. Step 3: Cross multiply
    27,290.28x = 40,927.86 × 7,567.32
  4. Step 4: Simplify right side
    27,290.28x = 309,714,213.54
  5. Step 5: Solve for x
    x = 309,714,213.54/27,290.28
  6. Step 6: Final answer
    x = 11,348.88

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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.