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Finding the Fourth Proportional to 61,878.88, 92,803.41 and 28,566.94

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Solution

The fourth proportional to 61,878.88, 92,803.41 and 28,566.94 is: 42,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.88 : 92,803.41 = 28,566.94 : x
  2. Step 2: Convert to fraction form
    61,878.88/92,803.41 = 28,566.94/x
  3. Step 3: Cross multiply
    61,878.88x = 92,803.41 × 28,566.94
  4. Step 4: Simplify right side
    61,878.88x = 2,651,109,445.27
  5. Step 5: Solve for x
    x = 2,651,109,445.27/61,878.88
  6. Step 6: Final answer
    x = 42,843.53

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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.