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Finding the Fourth Proportional to 65,737.01, 90,717.05 and 35,522.33

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Solution

The fourth proportional to 65,737.01, 90,717.05 and 35,522.33 is: 49,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.01 : 90,717.05 = 35,522.33 : x
  2. Step 2: Convert to fraction form
    65,737.01/90,717.05 = 35,522.33/x
  3. Step 3: Cross multiply
    65,737.01x = 90,717.05 × 35,522.33
  4. Step 4: Simplify right side
    65,737.01x = 3,222,480,355.53
  5. Step 5: Solve for x
    x = 3,222,480,355.53/65,737.01
  6. Step 6: Final answer
    x = 49,020.79

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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.