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Finding the Fourth Proportional to 66,554.92, 91,926.66 and 52,592.68

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Solution

The fourth proportional to 66,554.92, 91,926.66 and 52,592.68 is: 72,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,554.92 : 91,926.66 = 52,592.68 : x
  2. Step 2: Convert to fraction form
    66,554.92/91,926.66 = 52,592.68/x
  3. Step 3: Cross multiply
    66,554.92x = 91,926.66 × 52,592.68
  4. Step 4: Simplify right side
    66,554.92x = 4,834,669,412.85
  5. Step 5: Solve for x
    x = 4,834,669,412.85/66,554.92
  6. Step 6: Final answer
    x = 72,641.80

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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.