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Finding the Fourth Proportional to 5,888.21, 8,819.96 and 4,781.34

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Solution

The fourth proportional to 5,888.21, 8,819.96 and 4,781.34 is: 7,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.21 : 8,819.96 = 4,781.34 : x
  2. Step 2: Convert to fraction form
    5,888.21/8,819.96 = 4,781.34/x
  3. Step 3: Cross multiply
    5,888.21x = 8,819.96 × 4,781.34
  4. Step 4: Simplify right side
    5,888.21x = 42,171,203.64
  5. Step 5: Solve for x
    x = 42,171,203.64/5,888.21
  6. Step 6: Final answer
    x = 7,161.98

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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.