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Finding the Fourth Proportional to 62,868.80, 94,322.67 and 21,792.91

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Solution

The fourth proportional to 62,868.80, 94,322.67 and 21,792.91 is: 32,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,868.80 : 94,322.67 = 21,792.91 : x
  2. Step 2: Convert to fraction form
    62,868.80/94,322.67 = 21,792.91/x
  3. Step 3: Cross multiply
    62,868.80x = 94,322.67 × 21,792.91
  4. Step 4: Simplify right side
    62,868.80x = 2,055,565,458.27
  5. Step 5: Solve for x
    x = 2,055,565,458.27/62,868.80
  6. Step 6: Final answer
    x = 32,696.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.