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Finding the Fourth Proportional to 13,808.53, 19,046.10 and 8,506.27

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Solution

The fourth proportional to 13,808.53, 19,046.10 and 8,506.27 is: 11,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.53 : 19,046.10 = 8,506.27 : x
  2. Step 2: Convert to fraction form
    13,808.53/19,046.10 = 8,506.27/x
  3. Step 3: Cross multiply
    13,808.53x = 19,046.10 × 8,506.27
  4. Step 4: Simplify right side
    13,808.53x = 162,011,269.05
  5. Step 5: Solve for x
    x = 162,011,269.05/13,808.53
  6. Step 6: Final answer
    x = 11,732.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.