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Finding the Fourth Proportional to 66,264.73, 91,447.85 and 37,975.89

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Solution

The fourth proportional to 66,264.73, 91,447.85 and 37,975.89 is: 52,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.73 : 91,447.85 = 37,975.89 : x
  2. Step 2: Convert to fraction form
    66,264.73/91,447.85 = 37,975.89/x
  3. Step 3: Cross multiply
    66,264.73x = 91,447.85 × 37,975.89
  4. Step 4: Simplify right side
    66,264.73x = 3,472,813,492.34
  5. Step 5: Solve for x
    x = 3,472,813,492.34/66,264.73
  6. Step 6: Final answer
    x = 52,408.17

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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.