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Finding the Fourth Proportional to 34,785.01, 48,003.07 and 18,869.48

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Solution

The fourth proportional to 34,785.01, 48,003.07 and 18,869.48 is: 26,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.01 : 48,003.07 = 18,869.48 : x
  2. Step 2: Convert to fraction form
    34,785.01/48,003.07 = 18,869.48/x
  3. Step 3: Cross multiply
    34,785.01x = 48,003.07 × 18,869.48
  4. Step 4: Simplify right side
    34,785.01x = 905,792,969.30
  5. Step 5: Solve for x
    x = 905,792,969.30/34,785.01
  6. Step 6: Final answer
    x = 26,039.75

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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.