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Finding the Fourth Proportional to 3,060.77, 4,223.77 and 1,734.59

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Solution

The fourth proportional to 3,060.77, 4,223.77 and 1,734.59 is: 2,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.77 : 4,223.77 = 1,734.59 : x
  2. Step 2: Convert to fraction form
    3,060.77/4,223.77 = 1,734.59/x
  3. Step 3: Cross multiply
    3,060.77x = 4,223.77 × 1,734.59
  4. Step 4: Simplify right side
    3,060.77x = 7,326,515.43
  5. Step 5: Solve for x
    x = 7,326,515.43/3,060.77
  6. Step 6: Final answer
    x = 2,393.69

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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.