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Finding the Fourth Proportional to 8,636.04, 12,954.20 and 2,712.74

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Solution

The fourth proportional to 8,636.04, 12,954.20 and 2,712.74 is: 4,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.04 : 12,954.20 = 2,712.74 : x
  2. Step 2: Convert to fraction form
    8,636.04/12,954.20 = 2,712.74/x
  3. Step 3: Cross multiply
    8,636.04x = 12,954.20 × 2,712.74
  4. Step 4: Simplify right side
    8,636.04x = 35,141,298.17
  5. Step 5: Solve for x
    x = 35,141,298.17/8,636.04
  6. Step 6: Final answer
    x = 4,069.14

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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.