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Finding the Fourth Proportional to 8,552.76, 12,829.14 and 3,935.80

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Solution

The fourth proportional to 8,552.76, 12,829.14 and 3,935.80 is: 5,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.76 : 12,829.14 = 3,935.80 : x
  2. Step 2: Convert to fraction form
    8,552.76/12,829.14 = 3,935.80/x
  3. Step 3: Cross multiply
    8,552.76x = 12,829.14 × 3,935.80
  4. Step 4: Simplify right side
    8,552.76x = 50,492,929.21
  5. Step 5: Solve for x
    x = 50,492,929.21/8,552.76
  6. Step 6: Final answer
    x = 5,903.70

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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.