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Finding the Fourth Proportional to 2,733.10, 4,099.04 and 785.46

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Solution

The fourth proportional to 2,733.10, 4,099.04 and 785.46 is: 1,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.10 : 4,099.04 = 785.46 : x
  2. Step 2: Convert to fraction form
    2,733.10/4,099.04 = 785.46/x
  3. Step 3: Cross multiply
    2,733.10x = 4,099.04 × 785.46
  4. Step 4: Simplify right side
    2,733.10x = 3,219,631.96
  5. Step 5: Solve for x
    x = 3,219,631.96/2,733.10
  6. Step 6: Final answer
    x = 1,178.01

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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.