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Finding the Fourth Proportional to 18,594.76, 27,892.16 and 4,743.76

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Solution

The fourth proportional to 18,594.76, 27,892.16 and 4,743.76 is: 7,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.76 : 27,892.16 = 4,743.76 : x
  2. Step 2: Convert to fraction form
    18,594.76/27,892.16 = 4,743.76/x
  3. Step 3: Cross multiply
    18,594.76x = 27,892.16 × 4,743.76
  4. Step 4: Simplify right side
    18,594.76x = 132,313,712.92
  5. Step 5: Solve for x
    x = 132,313,712.92/18,594.76
  6. Step 6: Final answer
    x = 7,115.65

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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.