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Finding the Fourth Proportional to 4,676.58, 7,014.87 and 1,392.12

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Solution

The fourth proportional to 4,676.58, 7,014.87 and 1,392.12 is: 2,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.58 : 7,014.87 = 1,392.12 : x
  2. Step 2: Convert to fraction form
    4,676.58/7,014.87 = 1,392.12/x
  3. Step 3: Cross multiply
    4,676.58x = 7,014.87 × 1,392.12
  4. Step 4: Simplify right side
    4,676.58x = 9,765,540.82
  5. Step 5: Solve for x
    x = 9,765,540.82/4,676.58
  6. Step 6: Final answer
    x = 2,088.18

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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.