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Finding the Fourth Proportional to 8,712.96, 12,023.87 and 4,734.17

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Solution

The fourth proportional to 8,712.96, 12,023.87 and 4,734.17 is: 6,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.96 : 12,023.87 = 4,734.17 : x
  2. Step 2: Convert to fraction form
    8,712.96/12,023.87 = 4,734.17/x
  3. Step 3: Cross multiply
    8,712.96x = 12,023.87 × 4,734.17
  4. Step 4: Simplify right side
    8,712.96x = 56,922,960.85
  5. Step 5: Solve for x
    x = 56,922,960.85/8,712.96
  6. Step 6: Final answer
    x = 6,533.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.