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Finding the Fourth Proportional to 7,392.92, 10,203.90 and 5,036

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Solution

The fourth proportional to 7,392.92, 10,203.90 and 5,036 is: 6,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.92 : 10,203.90 = 5,036 : x
  2. Step 2: Convert to fraction form
    7,392.92/10,203.90 = 5,036/x
  3. Step 3: Cross multiply
    7,392.92x = 10,203.90 × 5,036
  4. Step 4: Simplify right side
    7,392.92x = 51,386,840.40
  5. Step 5: Solve for x
    x = 51,386,840.40/7,392.92
  6. Step 6: Final answer
    x = 6,950.82

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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.