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Finding the Fourth Proportional to 66,696.57, 92,044.22 and 38,411.37

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Solution

The fourth proportional to 66,696.57, 92,044.22 and 38,411.37 is: 53,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.57 : 92,044.22 = 38,411.37 : x
  2. Step 2: Convert to fraction form
    66,696.57/92,044.22 = 38,411.37/x
  3. Step 3: Cross multiply
    66,696.57x = 92,044.22 × 38,411.37
  4. Step 4: Simplify right side
    66,696.57x = 3,535,544,398.72
  5. Step 5: Solve for x
    x = 3,535,544,398.72/66,696.57
  6. Step 6: Final answer
    x = 53,009.39

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1.5x scale

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.