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Finding the Fourth Proportional to 3,473.45, 5,209.25 and 974.49

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Solution

The fourth proportional to 3,473.45, 5,209.25 and 974.49 is: 1,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.45 : 5,209.25 = 974.49 : x
  2. Step 2: Convert to fraction form
    3,473.45/5,209.25 = 974.49/x
  3. Step 3: Cross multiply
    3,473.45x = 5,209.25 × 974.49
  4. Step 4: Simplify right side
    3,473.45x = 5,076,357.16
  5. Step 5: Solve for x
    x = 5,076,357.16/3,473.45
  6. Step 6: Final answer
    x = 1,461.47

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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.