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Finding the Fourth Proportional to 8,468.02, 12,665.12 and 4,949.68

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Solution

The fourth proportional to 8,468.02, 12,665.12 and 4,949.68 is: 7,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.02 : 12,665.12 = 4,949.68 : x
  2. Step 2: Convert to fraction form
    8,468.02/12,665.12 = 4,949.68/x
  3. Step 3: Cross multiply
    8,468.02x = 12,665.12 × 4,949.68
  4. Step 4: Simplify right side
    8,468.02x = 62,688,291.16
  5. Step 5: Solve for x
    x = 62,688,291.16/8,468.02
  6. Step 6: Final answer
    x = 7,402.95

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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.