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Finding the Fourth Proportional to 66,756.50, 92,124.06 and 41,606

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Solution

The fourth proportional to 66,756.50, 92,124.06 and 41,606 is: 57,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.50 : 92,124.06 = 41,606 : x
  2. Step 2: Convert to fraction form
    66,756.50/92,124.06 = 41,606/x
  3. Step 3: Cross multiply
    66,756.50x = 92,124.06 × 41,606
  4. Step 4: Simplify right side
    66,756.50x = 3,832,913,640.36
  5. Step 5: Solve for x
    x = 3,832,913,640.36/66,756.50
  6. Step 6: Final answer
    x = 57,416.34

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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.