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Finding the Fourth Proportional to 66,901.88, 92,354.07 and 46,837.53

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Solution

The fourth proportional to 66,901.88, 92,354.07 and 46,837.53 is: 64,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.88 : 92,354.07 = 46,837.53 : x
  2. Step 2: Convert to fraction form
    66,901.88/92,354.07 = 46,837.53/x
  3. Step 3: Cross multiply
    66,901.88x = 92,354.07 × 46,837.53
  4. Step 4: Simplify right side
    66,901.88x = 4,325,636,524.25
  5. Step 5: Solve for x
    x = 4,325,636,524.25/66,901.88
  6. Step 6: Final answer
    x = 64,656.43

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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.