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Finding the Fourth Proportional to 8,570.52, 12,856.76 and 3,022.68

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Solution

The fourth proportional to 8,570.52, 12,856.76 and 3,022.68 is: 4,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.52 : 12,856.76 = 3,022.68 : x
  2. Step 2: Convert to fraction form
    8,570.52/12,856.76 = 3,022.68/x
  3. Step 3: Cross multiply
    8,570.52x = 12,856.76 × 3,022.68
  4. Step 4: Simplify right side
    8,570.52x = 38,861,871.32
  5. Step 5: Solve for x
    x = 38,861,871.32/8,570.52
  6. Step 6: Final answer
    x = 4,534.37

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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.