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Finding the Fourth Proportional to 61,477.31, 92,154.41 and 23,985.80

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Solution

The fourth proportional to 61,477.31, 92,154.41 and 23,985.80 is: 35,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.31 : 92,154.41 = 23,985.80 : x
  2. Step 2: Convert to fraction form
    61,477.31/92,154.41 = 23,985.80/x
  3. Step 3: Cross multiply
    61,477.31x = 92,154.41 × 23,985.80
  4. Step 4: Simplify right side
    61,477.31x = 2,210,397,620.57
  5. Step 5: Solve for x
    x = 2,210,397,620.57/61,477.31
  6. Step 6: Final answer
    x = 35,954.69

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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.