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Finding the Fourth Proportional to 3,164.73, 4,747.10 and 973.49

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Solution

The fourth proportional to 3,164.73, 4,747.10 and 973.49 is: 1,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.73 : 4,747.10 = 973.49 : x
  2. Step 2: Convert to fraction form
    3,164.73/4,747.10 = 973.49/x
  3. Step 3: Cross multiply
    3,164.73x = 4,747.10 × 973.49
  4. Step 4: Simplify right side
    3,164.73x = 4,621,225.78
  5. Step 5: Solve for x
    x = 4,621,225.78/3,164.73
  6. Step 6: Final answer
    x = 1,460.23

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Double scale
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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.