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Finding the Fourth Proportional to 12,653.92, 18,983.19 and 6,332.10

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Solution

The fourth proportional to 12,653.92, 18,983.19 and 6,332.10 is: 9,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.92 : 18,983.19 = 6,332.10 : x
  2. Step 2: Convert to fraction form
    12,653.92/18,983.19 = 6,332.10/x
  3. Step 3: Cross multiply
    12,653.92x = 18,983.19 × 6,332.10
  4. Step 4: Simplify right side
    12,653.92x = 120,203,409.92
  5. Step 5: Solve for x
    x = 120,203,409.92/12,653.92
  6. Step 6: Final answer
    x = 9,499.30

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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.