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Finding the Fourth Proportional to 4,378.56, 5,994.05 and 4,347.29

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Solution

The fourth proportional to 4,378.56, 5,994.05 and 4,347.29 is: 5,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.56 : 5,994.05 = 4,347.29 : x
  2. Step 2: Convert to fraction form
    4,378.56/5,994.05 = 4,347.29/x
  3. Step 3: Cross multiply
    4,378.56x = 5,994.05 × 4,347.29
  4. Step 4: Simplify right side
    4,378.56x = 26,057,873.62
  5. Step 5: Solve for x
    x = 26,057,873.62/4,378.56
  6. Step 6: Final answer
    x = 5,951.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.