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Finding the Fourth Proportional to 46,474.76, 69,712.90 and 16,874.12

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Solution

The fourth proportional to 46,474.76, 69,712.90 and 16,874.12 is: 25,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,474.76 : 69,712.90 = 16,874.12 : x
  2. Step 2: Convert to fraction form
    46,474.76/69,712.90 = 16,874.12/x
  3. Step 3: Cross multiply
    46,474.76x = 69,712.90 × 16,874.12
  4. Step 4: Simplify right side
    46,474.76x = 1,176,343,840.15
  5. Step 5: Solve for x
    x = 1,176,343,840.15/46,474.76
  6. Step 6: Final answer
    x = 25,311.46

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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.