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Finding the Fourth Proportional to 2,941.02, 4,412.19 and 993.12

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Solution

The fourth proportional to 2,941.02, 4,412.19 and 993.12 is: 1,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.02 : 4,412.19 = 993.12 : x
  2. Step 2: Convert to fraction form
    2,941.02/4,412.19 = 993.12/x
  3. Step 3: Cross multiply
    2,941.02x = 4,412.19 × 993.12
  4. Step 4: Simplify right side
    2,941.02x = 4,381,834.13
  5. Step 5: Solve for x
    x = 4,381,834.13/2,941.02
  6. Step 6: Final answer
    x = 1,489.90

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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.