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Finding the Fourth Proportional to 27,047.28, 40,573.06 and 9,521.04

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Solution

The fourth proportional to 27,047.28, 40,573.06 and 9,521.04 is: 14,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.28 : 40,573.06 = 9,521.04 : x
  2. Step 2: Convert to fraction form
    27,047.28/40,573.06 = 9,521.04/x
  3. Step 3: Cross multiply
    27,047.28x = 40,573.06 × 9,521.04
  4. Step 4: Simplify right side
    27,047.28x = 386,297,727.18
  5. Step 5: Solve for x
    x = 386,297,727.18/27,047.28
  6. Step 6: Final answer
    x = 14,282.31

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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.