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Finding the Fourth Proportional to 73,035.54, 100,788.84 and 39,501.54

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Solution

The fourth proportional to 73,035.54, 100,788.84 and 39,501.54 is: 54,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,035.54 : 100,788.84 = 39,501.54 : x
  2. Step 2: Convert to fraction form
    73,035.54/100,788.84 = 39,501.54/x
  3. Step 3: Cross multiply
    73,035.54x = 100,788.84 × 39,501.54
  4. Step 4: Simplify right side
    73,035.54x = 3,981,314,394.81
  5. Step 5: Solve for x
    x = 3,981,314,394.81/73,035.54
  6. Step 6: Final answer
    x = 54,512.01

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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.