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Finding the Fourth Proportional to 22,687.89, 34,035.46 and 7,901.01

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Solution

The fourth proportional to 22,687.89, 34,035.46 and 7,901.01 is: 11,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.89 : 34,035.46 = 7,901.01 : x
  2. Step 2: Convert to fraction form
    22,687.89/34,035.46 = 7,901.01/x
  3. Step 3: Cross multiply
    22,687.89x = 34,035.46 × 7,901.01
  4. Step 4: Simplify right side
    22,687.89x = 268,914,509.81
  5. Step 5: Solve for x
    x = 268,914,509.81/22,687.89
  6. Step 6: Final answer
    x = 11,852.78

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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.