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Finding the Fourth Proportional to 61,393.42, 92,090.80 and 17,020.54

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Solution

The fourth proportional to 61,393.42, 92,090.80 and 17,020.54 is: 25,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.42 : 92,090.80 = 17,020.54 : x
  2. Step 2: Convert to fraction form
    61,393.42/92,090.80 = 17,020.54/x
  3. Step 3: Cross multiply
    61,393.42x = 92,090.80 × 17,020.54
  4. Step 4: Simplify right side
    61,393.42x = 1,567,435,145.03
  5. Step 5: Solve for x
    x = 1,567,435,145.03/61,393.42
  6. Step 6: Final answer
    x = 25,531.00

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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.