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Finding the Fourth Proportional to 2,957.70, 4,432.60 and 1,497.88

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Solution

The fourth proportional to 2,957.70, 4,432.60 and 1,497.88 is: 2,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.70 : 4,432.60 = 1,497.88 : x
  2. Step 2: Convert to fraction form
    2,957.70/4,432.60 = 1,497.88/x
  3. Step 3: Cross multiply
    2,957.70x = 4,432.60 × 1,497.88
  4. Step 4: Simplify right side
    2,957.70x = 6,639,502.89
  5. Step 5: Solve for x
    x = 6,639,502.89/2,957.70
  6. Step 6: Final answer
    x = 2,244.82

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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.