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Finding the Fourth Proportional to 61,893, 92,824.56 and 28,581.04

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Solution

The fourth proportional to 61,893, 92,824.56 and 28,581.04 is: 42,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893 : 92,824.56 = 28,581.04 : x
  2. Step 2: Convert to fraction form
    61,893/92,824.56 = 28,581.04/x
  3. Step 3: Cross multiply
    61,893x = 92,824.56 × 28,581.04
  4. Step 4: Simplify right side
    61,893x = 2,653,022,462.34
  5. Step 5: Solve for x
    x = 2,653,022,462.34/61,893
  6. Step 6: Final answer
    x = 42,864.66

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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.