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Finding the Fourth Proportional to 63,870.94, 88,137.64 and 37,008.66

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Solution

The fourth proportional to 63,870.94, 88,137.64 and 37,008.66 is: 51,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,870.94 : 88,137.64 = 37,008.66 : x
  2. Step 2: Convert to fraction form
    63,870.94/88,137.64 = 37,008.66/x
  3. Step 3: Cross multiply
    63,870.94x = 88,137.64 × 37,008.66
  4. Step 4: Simplify right side
    63,870.94x = 3,261,855,951.96
  5. Step 5: Solve for x
    x = 3,261,855,951.96/63,870.94
  6. Step 6: Final answer
    x = 51,069.48

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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.