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Finding the Fourth Proportional to 8,394.03, 11,589.14 and 5,210.66

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Solution

The fourth proportional to 8,394.03, 11,589.14 and 5,210.66 is: 7,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.03 : 11,589.14 = 5,210.66 : x
  2. Step 2: Convert to fraction form
    8,394.03/11,589.14 = 5,210.66/x
  3. Step 3: Cross multiply
    8,394.03x = 11,589.14 × 5,210.66
  4. Step 4: Simplify right side
    8,394.03x = 60,387,110.23
  5. Step 5: Solve for x
    x = 60,387,110.23/8,394.03
  6. Step 6: Final answer
    x = 7,194.05

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Half scale
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Double scale
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Similar ratio
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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.