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Finding the Fourth Proportional to 34,861.60, 48,108.87 and 19,757.14

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Solution

The fourth proportional to 34,861.60, 48,108.87 and 19,757.14 is: 27,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.60 : 48,108.87 = 19,757.14 : x
  2. Step 2: Convert to fraction form
    34,861.60/48,108.87 = 19,757.14/x
  3. Step 3: Cross multiply
    34,861.60x = 48,108.87 × 19,757.14
  4. Step 4: Simplify right side
    34,861.60x = 950,493,679.83
  5. Step 5: Solve for x
    x = 950,493,679.83/34,861.60
  6. Step 6: Final answer
    x = 27,264.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.