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Finding the Fourth Proportional to 61,892.37, 92,823.62 and 28,580.41

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Solution

The fourth proportional to 61,892.37, 92,823.62 and 28,580.41 is: 42,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.37 : 92,823.62 = 28,580.41 : x
  2. Step 2: Convert to fraction form
    61,892.37/92,823.62 = 28,580.41/x
  3. Step 3: Cross multiply
    61,892.37x = 92,823.62 × 28,580.41
  4. Step 4: Simplify right side
    61,892.37x = 2,652,937,090.41
  5. Step 5: Solve for x
    x = 2,652,937,090.41/61,892.37
  6. Step 6: Final answer
    x = 42,863.72

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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.