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Finding the Fourth Proportional to 9,994.50, 13,793.63 and 5,802.75

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Solution

The fourth proportional to 9,994.50, 13,793.63 and 5,802.75 is: 8,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.50 : 13,793.63 = 5,802.75 : x
  2. Step 2: Convert to fraction form
    9,994.50/13,793.63 = 5,802.75/x
  3. Step 3: Cross multiply
    9,994.50x = 13,793.63 × 5,802.75
  4. Step 4: Simplify right side
    9,994.50x = 80,040,957.47
  5. Step 5: Solve for x
    x = 80,040,957.47/9,994.50
  6. Step 6: Final answer
    x = 8,008.50

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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.