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Finding the Fourth Proportional to 37,464.64, 51,696.80 and 20,696.64

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Solution

The fourth proportional to 37,464.64, 51,696.80 and 20,696.64 is: 28,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,464.64 : 51,696.80 = 20,696.64 : x
  2. Step 2: Convert to fraction form
    37,464.64/51,696.80 = 20,696.64/x
  3. Step 3: Cross multiply
    37,464.64x = 51,696.80 × 20,696.64
  4. Step 4: Simplify right side
    37,464.64x = 1,069,950,058.75
  5. Step 5: Solve for x
    x = 1,069,950,058.75/37,464.64
  6. Step 6: Final answer
    x = 28,558.93

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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.