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Finding the Fourth Proportional to 8,570.68, 12,856.27 and 2,330.66

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Solution

The fourth proportional to 8,570.68, 12,856.27 and 2,330.66 is: 3,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.68 : 12,856.27 = 2,330.66 : x
  2. Step 2: Convert to fraction form
    8,570.68/12,856.27 = 2,330.66/x
  3. Step 3: Cross multiply
    8,570.68x = 12,856.27 × 2,330.66
  4. Step 4: Simplify right side
    8,570.68x = 29,963,594.24
  5. Step 5: Solve for x
    x = 29,963,594.24/8,570.68
  6. Step 6: Final answer
    x = 3,496.06

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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.