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Finding the Fourth Proportional to 61,354.86, 92,034.35 and 16,977.90

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Solution

The fourth proportional to 61,354.86, 92,034.35 and 16,977.90 is: 25,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,354.86 : 92,034.35 = 16,977.90 : x
  2. Step 2: Convert to fraction form
    61,354.86/92,034.35 = 16,977.90/x
  3. Step 3: Cross multiply
    61,354.86x = 92,034.35 × 16,977.90
  4. Step 4: Simplify right side
    61,354.86x = 1,562,549,905.98
  5. Step 5: Solve for x
    x = 1,562,549,905.98/61,354.86
  6. Step 6: Final answer
    x = 25,467.42

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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.