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Finding the Fourth Proportional to 27,195.60, 40,800.60 and 9,663.60

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Solution

The fourth proportional to 27,195.60, 40,800.60 and 9,663.60 is: 14,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.60 : 40,800.60 = 9,663.60 : x
  2. Step 2: Convert to fraction form
    27,195.60/40,800.60 = 9,663.60/x
  3. Step 3: Cross multiply
    27,195.60x = 40,800.60 × 9,663.60
  4. Step 4: Simplify right side
    27,195.60x = 394,280,678.16
  5. Step 5: Solve for x
    x = 394,280,678.16/27,195.60
  6. Step 6: Final answer
    x = 14,497.96

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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.