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Finding the Fourth Proportional to 5,582.34, 8,373.52 and 4,178.22

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Solution

The fourth proportional to 5,582.34, 8,373.52 and 4,178.22 is: 6,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.34 : 8,373.52 = 4,178.22 : x
  2. Step 2: Convert to fraction form
    5,582.34/8,373.52 = 4,178.22/x
  3. Step 3: Cross multiply
    5,582.34x = 8,373.52 × 4,178.22
  4. Step 4: Simplify right side
    5,582.34x = 34,986,408.73
  5. Step 5: Solve for x
    x = 34,986,408.73/5,582.34
  6. Step 6: Final answer
    x = 6,267.34

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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.