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Finding the Fourth Proportional to 8,735.32, 12,052 and 4,958.20

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Solution

The fourth proportional to 8,735.32, 12,052 and 4,958.20 is: 6,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.32 : 12,052 = 4,958.20 : x
  2. Step 2: Convert to fraction form
    8,735.32/12,052 = 4,958.20/x
  3. Step 3: Cross multiply
    8,735.32x = 12,052 × 4,958.20
  4. Step 4: Simplify right side
    8,735.32x = 59,756,226.40
  5. Step 5: Solve for x
    x = 59,756,226.40/8,735.32
  6. Step 6: Final answer
    x = 6,840.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.