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Finding the Fourth Proportional to 3,060.49, 4,223.05 and 1,734.16

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Solution

The fourth proportional to 3,060.49, 4,223.05 and 1,734.16 is: 2,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.49 : 4,223.05 = 1,734.16 : x
  2. Step 2: Convert to fraction form
    3,060.49/4,223.05 = 1,734.16/x
  3. Step 3: Cross multiply
    3,060.49x = 4,223.05 × 1,734.16
  4. Step 4: Simplify right side
    3,060.49x = 7,323,444.39
  5. Step 5: Solve for x
    x = 7,323,444.39/3,060.49
  6. Step 6: Final answer
    x = 2,392.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.