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Finding the Fourth Proportional to 4,951.58, 7,425.30 and 1,663.88

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Solution

The fourth proportional to 4,951.58, 7,425.30 and 1,663.88 is: 2,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.58 : 7,425.30 = 1,663.88 : x
  2. Step 2: Convert to fraction form
    4,951.58/7,425.30 = 1,663.88/x
  3. Step 3: Cross multiply
    4,951.58x = 7,425.30 × 1,663.88
  4. Step 4: Simplify right side
    4,951.58x = 12,354,808.16
  5. Step 5: Solve for x
    x = 12,354,808.16/4,951.58
  6. Step 6: Final answer
    x = 2,495.12

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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.