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Finding the Fourth Proportional to 2,743.02, 4,113.50 and 893.70

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Solution

The fourth proportional to 2,743.02, 4,113.50 and 893.70 is: 1,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.02 : 4,113.50 = 893.70 : x
  2. Step 2: Convert to fraction form
    2,743.02/4,113.50 = 893.70/x
  3. Step 3: Cross multiply
    2,743.02x = 4,113.50 × 893.70
  4. Step 4: Simplify right side
    2,743.02x = 3,676,230.48
  5. Step 5: Solve for x
    x = 3,676,230.48/2,743.02
  6. Step 6: Final answer
    x = 1,340.21

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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.