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Finding the Fourth Proportional to 61,709.02, 92,563.51 and 14,961.90

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Solution

The fourth proportional to 61,709.02, 92,563.51 and 14,961.90 is: 22,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.02 : 92,563.51 = 14,961.90 : x
  2. Step 2: Convert to fraction form
    61,709.02/92,563.51 = 14,961.90/x
  3. Step 3: Cross multiply
    61,709.02x = 92,563.51 × 14,961.90
  4. Step 4: Simplify right side
    61,709.02x = 1,384,925,980.27
  5. Step 5: Solve for x
    x = 1,384,925,980.27/61,709.02
  6. Step 6: Final answer
    x = 22,442.85

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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.