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Finding the Fourth Proportional to 67,603.87, 93,292.51 and 37,388.64

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Solution

The fourth proportional to 67,603.87, 93,292.51 and 37,388.64 is: 51,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.87 : 93,292.51 = 37,388.64 : x
  2. Step 2: Convert to fraction form
    67,603.87/93,292.51 = 37,388.64/x
  3. Step 3: Cross multiply
    67,603.87x = 93,292.51 × 37,388.64
  4. Step 4: Simplify right side
    67,603.87x = 3,488,080,071.09
  5. Step 5: Solve for x
    x = 3,488,080,071.09/67,603.87
  6. Step 6: Final answer
    x = 51,595.86

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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.