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Finding the Fourth Proportional to 66,464.66, 91,726.70 and 37,793.34

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Solution

The fourth proportional to 66,464.66, 91,726.70 and 37,793.34 is: 52,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.66 : 91,726.70 = 37,793.34 : x
  2. Step 2: Convert to fraction form
    66,464.66/91,726.70 = 37,793.34/x
  3. Step 3: Cross multiply
    66,464.66x = 91,726.70 × 37,793.34
  4. Step 4: Simplify right side
    66,464.66x = 3,466,658,360.18
  5. Step 5: Solve for x
    x = 3,466,658,360.18/66,464.66
  6. Step 6: Final answer
    x = 52,157.92

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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.