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Finding the Fourth Proportional to 61,892.19, 92,823.35 and 28,580.22

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Solution

The fourth proportional to 61,892.19, 92,823.35 and 28,580.22 is: 42,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.19 : 92,823.35 = 28,580.22 : x
  2. Step 2: Convert to fraction form
    61,892.19/92,823.35 = 28,580.22/x
  3. Step 3: Cross multiply
    61,892.19x = 92,823.35 × 28,580.22
  4. Step 4: Simplify right side
    61,892.19x = 2,652,911,621.24
  5. Step 5: Solve for x
    x = 2,652,911,621.24/61,892.19
  6. Step 6: Final answer
    x = 42,863.43

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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.