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Finding the Fourth Proportional to 8,093.60, 12,154.80 and 5,904.80

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Solution

The fourth proportional to 8,093.60, 12,154.80 and 5,904.80 is: 8,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.60 : 12,154.80 = 5,904.80 : x
  2. Step 2: Convert to fraction form
    8,093.60/12,154.80 = 5,904.80/x
  3. Step 3: Cross multiply
    8,093.60x = 12,154.80 × 5,904.80
  4. Step 4: Simplify right side
    8,093.60x = 71,771,663.04
  5. Step 5: Solve for x
    x = 71,771,663.04/8,093.60
  6. Step 6: Final answer
    x = 8,867.71

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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.