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Finding the Fourth Proportional to 52,760.73, 72,819.09 and 51,009.11

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Solution

The fourth proportional to 52,760.73, 72,819.09 and 51,009.11 is: 70,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.73 : 72,819.09 = 51,009.11 : x
  2. Step 2: Convert to fraction form
    52,760.73/72,819.09 = 51,009.11/x
  3. Step 3: Cross multiply
    52,760.73x = 72,819.09 × 51,009.11
  4. Step 4: Simplify right side
    52,760.73x = 3,714,436,607.81
  5. Step 5: Solve for x
    x = 3,714,436,607.81/52,760.73
  6. Step 6: Final answer
    x = 70,401.54

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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.