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Finding the Fourth Proportional to 3,165.67, 4,748.50 and 974.35

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Solution

The fourth proportional to 3,165.67, 4,748.50 and 974.35 is: 1,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.67 : 4,748.50 = 974.35 : x
  2. Step 2: Convert to fraction form
    3,165.67/4,748.50 = 974.35/x
  3. Step 3: Cross multiply
    3,165.67x = 4,748.50 × 974.35
  4. Step 4: Simplify right side
    3,165.67x = 4,626,677.23
  5. Step 5: Solve for x
    x = 4,626,677.23/3,165.67
  6. Step 6: Final answer
    x = 1,461.52

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Similar ratio
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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.