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Finding the Fourth Proportional to 4,732.64, 7,099.81 and 1,957.80

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Solution

The fourth proportional to 4,732.64, 7,099.81 and 1,957.80 is: 2,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732.64 : 7,099.81 = 1,957.80 : x
  2. Step 2: Convert to fraction form
    4,732.64/7,099.81 = 1,957.80/x
  3. Step 3: Cross multiply
    4,732.64x = 7,099.81 × 1,957.80
  4. Step 4: Simplify right side
    4,732.64x = 13,900,008.02
  5. Step 5: Solve for x
    x = 13,900,008.02/4,732.64
  6. Step 6: Final answer
    x = 2,937.05

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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.