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Finding the Fourth Proportional to 72,355.39, 108,544.01 and 25,604.62

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Solution

The fourth proportional to 72,355.39, 108,544.01 and 25,604.62 is: 38,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,355.39 : 108,544.01 = 25,604.62 : x
  2. Step 2: Convert to fraction form
    72,355.39/108,544.01 = 25,604.62/x
  3. Step 3: Cross multiply
    72,355.39x = 108,544.01 × 25,604.62
  4. Step 4: Simplify right side
    72,355.39x = 2,779,228,129.33
  5. Step 5: Solve for x
    x = 2,779,228,129.33/72,355.39
  6. Step 6: Final answer
    x = 38,410.80

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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.