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Finding the Fourth Proportional to 27,045.28, 40,570.06 and 9,519.04

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Solution

The fourth proportional to 27,045.28, 40,570.06 and 9,519.04 is: 14,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.28 : 40,570.06 = 9,519.04 : x
  2. Step 2: Convert to fraction form
    27,045.28/40,570.06 = 9,519.04/x
  3. Step 3: Cross multiply
    27,045.28x = 40,570.06 × 9,519.04
  4. Step 4: Simplify right side
    27,045.28x = 386,188,023.94
  5. Step 5: Solve for x
    x = 386,188,023.94/27,045.28
  6. Step 6: Final answer
    x = 14,279.31

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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.