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Finding the Fourth Proportional to 27,047.20, 40,570.80 and 23,591.20

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Solution

The fourth proportional to 27,047.20, 40,570.80 and 23,591.20 is: 35,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.20 : 40,570.80 = 23,591.20 : x
  2. Step 2: Convert to fraction form
    27,047.20/40,570.80 = 23,591.20/x
  3. Step 3: Cross multiply
    27,047.20x = 40,570.80 × 23,591.20
  4. Step 4: Simplify right side
    27,047.20x = 957,113,856.96
  5. Step 5: Solve for x
    x = 957,113,856.96/27,047.20
  6. Step 6: Final answer
    x = 35,386.80

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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.