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Finding the Fourth Proportional to 61,479.31, 92,157.41 and 23,987.80

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Solution

The fourth proportional to 61,479.31, 92,157.41 and 23,987.80 is: 35,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479.31 : 92,157.41 = 23,987.80 : x
  2. Step 2: Convert to fraction form
    61,479.31/92,157.41 = 23,987.80/x
  3. Step 3: Cross multiply
    61,479.31x = 92,157.41 × 23,987.80
  4. Step 4: Simplify right side
    61,479.31x = 2,210,653,519.60
  5. Step 5: Solve for x
    x = 2,210,653,519.60/61,479.31
  6. Step 6: Final answer
    x = 35,957.68

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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.