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Finding the Fourth Proportional to 8,733.92, 12,056.94 and 5,591.93

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Solution

The fourth proportional to 8,733.92, 12,056.94 and 5,591.93 is: 7,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.92 : 12,056.94 = 5,591.93 : x
  2. Step 2: Convert to fraction form
    8,733.92/12,056.94 = 5,591.93/x
  3. Step 3: Cross multiply
    8,733.92x = 12,056.94 × 5,591.93
  4. Step 4: Simplify right side
    8,733.92x = 67,421,504.21
  5. Step 5: Solve for x
    x = 67,421,504.21/8,733.92
  6. Step 6: Final answer
    x = 7,719.51

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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.