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Finding the Fourth Proportional to 70,401.89, 105,601.01 and 23,654.76

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Solution

The fourth proportional to 70,401.89, 105,601.01 and 23,654.76 is: 35,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,401.89 : 105,601.01 = 23,654.76 : x
  2. Step 2: Convert to fraction form
    70,401.89/105,601.01 = 23,654.76/x
  3. Step 3: Cross multiply
    70,401.89x = 105,601.01 × 23,654.76
  4. Step 4: Simplify right side
    70,401.89x = 2,497,966,429.03
  5. Step 5: Solve for x
    x = 2,497,966,429.03/70,401.89
  6. Step 6: Final answer
    x = 35,481.53

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1.5x scale

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.