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Finding the Fourth Proportional to 4,489.72, 6,734.02 and 1,203.06

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Solution

The fourth proportional to 4,489.72, 6,734.02 and 1,203.06 is: 1,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.72 : 6,734.02 = 1,203.06 : x
  2. Step 2: Convert to fraction form
    4,489.72/6,734.02 = 1,203.06/x
  3. Step 3: Cross multiply
    4,489.72x = 6,734.02 × 1,203.06
  4. Step 4: Simplify right side
    4,489.72x = 8,101,430.10
  5. Step 5: Solve for x
    x = 8,101,430.10/4,489.72
  6. Step 6: Final answer
    x = 1,804.44

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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.