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Finding the Fourth Proportional to 18,047.17, 27,070.76 and 8,805.25

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Solution

The fourth proportional to 18,047.17, 27,070.76 and 8,805.25 is: 13,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.17 : 27,070.76 = 8,805.25 : x
  2. Step 2: Convert to fraction form
    18,047.17/27,070.76 = 8,805.25/x
  3. Step 3: Cross multiply
    18,047.17x = 27,070.76 × 8,805.25
  4. Step 4: Simplify right side
    18,047.17x = 238,364,809.49
  5. Step 5: Solve for x
    x = 238,364,809.49/18,047.17
  6. Step 6: Final answer
    x = 13,207.88

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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.