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Finding the Fourth Proportional to 4,721.94, 6,512.73 and 4,512.57

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Solution

The fourth proportional to 4,721.94, 6,512.73 and 4,512.57 is: 6,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.94 : 6,512.73 = 4,512.57 : x
  2. Step 2: Convert to fraction form
    4,721.94/6,512.73 = 4,512.57/x
  3. Step 3: Cross multiply
    4,721.94x = 6,512.73 × 4,512.57
  4. Step 4: Simplify right side
    4,721.94x = 29,389,150.02
  5. Step 5: Solve for x
    x = 29,389,150.02/4,721.94
  6. Step 6: Final answer
    x = 6,223.96

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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.