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Finding the Fourth Proportional to 9,662.76, 14,488.20 and 4,112.92

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Solution

The fourth proportional to 9,662.76, 14,488.20 and 4,112.92 is: 6,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.76 : 14,488.20 = 4,112.92 : x
  2. Step 2: Convert to fraction form
    9,662.76/14,488.20 = 4,112.92/x
  3. Step 3: Cross multiply
    9,662.76x = 14,488.20 × 4,112.92
  4. Step 4: Simplify right side
    9,662.76x = 59,588,807.54
  5. Step 5: Solve for x
    x = 59,588,807.54/9,662.76
  6. Step 6: Final answer
    x = 6,166.85

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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.