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Finding the Fourth Proportional to 61,762.14, 92,643.21 and 17,393.58

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Solution

The fourth proportional to 61,762.14, 92,643.21 and 17,393.58 is: 26,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.14 : 92,643.21 = 17,393.58 : x
  2. Step 2: Convert to fraction form
    61,762.14/92,643.21 = 17,393.58/x
  3. Step 3: Cross multiply
    61,762.14x = 92,643.21 × 17,393.58
  4. Step 4: Simplify right side
    61,762.14x = 1,611,397,084.59
  5. Step 5: Solve for x
    x = 1,611,397,084.59/61,762.14
  6. Step 6: Final answer
    x = 26,090.37

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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.