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Finding the Fourth Proportional to 61,806.13, 92,704.53 and 19,684.51

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Solution

The fourth proportional to 61,806.13, 92,704.53 and 19,684.51 is: 29,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,806.13 : 92,704.53 = 19,684.51 : x
  2. Step 2: Convert to fraction form
    61,806.13/92,704.53 = 19,684.51/x
  3. Step 3: Cross multiply
    61,806.13x = 92,704.53 × 19,684.51
  4. Step 4: Simplify right side
    61,806.13x = 1,824,843,247.83
  5. Step 5: Solve for x
    x = 1,824,843,247.83/61,806.13
  6. Step 6: Final answer
    x = 29,525.28

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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.