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Finding the Fourth Proportional to 13,318.48, 19,960.98 and 6,298.48

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Solution

The fourth proportional to 13,318.48, 19,960.98 and 6,298.48 is: 9,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.48 : 19,960.98 = 6,298.48 : x
  2. Step 2: Convert to fraction form
    13,318.48/19,960.98 = 6,298.48/x
  3. Step 3: Cross multiply
    13,318.48x = 19,960.98 × 6,298.48
  4. Step 4: Simplify right side
    13,318.48x = 125,723,833.31
  5. Step 5: Solve for x
    x = 125,723,833.31/13,318.48
  6. Step 6: Final answer
    x = 9,439.80

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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.