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Finding the Fourth Proportional to 3,166.88, 4,748.52 and 974.96

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Solution

The fourth proportional to 3,166.88, 4,748.52 and 974.96 is: 1,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.88 : 4,748.52 = 974.96 : x
  2. Step 2: Convert to fraction form
    3,166.88/4,748.52 = 974.96/x
  3. Step 3: Cross multiply
    3,166.88x = 4,748.52 × 974.96
  4. Step 4: Simplify right side
    3,166.88x = 4,629,617.06
  5. Step 5: Solve for x
    x = 4,629,617.06/3,166.88
  6. Step 6: Final answer
    x = 1,461.89

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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.