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Finding the Fourth Proportional to 7,392.25, 10,203.04 and 4,874.82

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Solution

The fourth proportional to 7,392.25, 10,203.04 and 4,874.82 is: 6,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.25 : 10,203.04 = 4,874.82 : x
  2. Step 2: Convert to fraction form
    7,392.25/10,203.04 = 4,874.82/x
  3. Step 3: Cross multiply
    7,392.25x = 10,203.04 × 4,874.82
  4. Step 4: Simplify right side
    7,392.25x = 49,737,983.45
  5. Step 5: Solve for x
    x = 49,737,983.45/7,392.25
  6. Step 6: Final answer
    x = 6,728.40

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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.