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Finding the Fourth Proportional to 8,465.69, 11,671.62 and 6,473.09

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Solution

The fourth proportional to 8,465.69, 11,671.62 and 6,473.09 is: 8,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.69 : 11,671.62 = 6,473.09 : x
  2. Step 2: Convert to fraction form
    8,465.69/11,671.62 = 6,473.09/x
  3. Step 3: Cross multiply
    8,465.69x = 11,671.62 × 6,473.09
  4. Step 4: Simplify right side
    8,465.69x = 75,551,446.71
  5. Step 5: Solve for x
    x = 75,551,446.71/8,465.69
  6. Step 6: Final answer
    x = 8,924.43

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Half scale
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Double scale
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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.