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Finding the Fourth Proportional to 27,047.13, 40,570.70 and 8,579.13

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Solution

The fourth proportional to 27,047.13, 40,570.70 and 8,579.13 is: 12,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.13 : 40,570.70 = 8,579.13 : x
  2. Step 2: Convert to fraction form
    27,047.13/40,570.70 = 8,579.13/x
  3. Step 3: Cross multiply
    27,047.13x = 40,570.70 × 8,579.13
  4. Step 4: Simplify right side
    27,047.13x = 348,061,309.49
  5. Step 5: Solve for x
    x = 348,061,309.49/27,047.13
  6. Step 6: Final answer
    x = 12,868.70

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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.