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Finding the Fourth Proportional to 5,994.30, 8,991.45 and 5,556.90

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Solution

The fourth proportional to 5,994.30, 8,991.45 and 5,556.90 is: 8,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,994.30 : 8,991.45 = 5,556.90 : x
  2. Step 2: Convert to fraction form
    5,994.30/8,991.45 = 5,556.90/x
  3. Step 3: Cross multiply
    5,994.30x = 8,991.45 × 5,556.90
  4. Step 4: Simplify right side
    5,994.30x = 49,964,588.51
  5. Step 5: Solve for x
    x = 49,964,588.51/5,994.30
  6. Step 6: Final answer
    x = 8,335.35

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Similar ratio
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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.