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Finding the Fourth Proportional to 51,398.82, 70,845.30 and 34,396.92

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Solution

The fourth proportional to 51,398.82, 70,845.30 and 34,396.92 is: 47,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.82 : 70,845.30 = 34,396.92 : x
  2. Step 2: Convert to fraction form
    51,398.82/70,845.30 = 34,396.92/x
  3. Step 3: Cross multiply
    51,398.82x = 70,845.30 × 34,396.92
  4. Step 4: Simplify right side
    51,398.82x = 2,436,860,116.48
  5. Step 5: Solve for x
    x = 2,436,860,116.48/51,398.82
  6. Step 6: Final answer
    x = 47,410.82

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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.