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Finding the Fourth Proportional to 72,050.48, 108,001.86 and 29,954.98

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Solution

The fourth proportional to 72,050.48, 108,001.86 and 29,954.98 is: 44,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,050.48 : 108,001.86 = 29,954.98 : x
  2. Step 2: Convert to fraction form
    72,050.48/108,001.86 = 29,954.98/x
  3. Step 3: Cross multiply
    72,050.48x = 108,001.86 × 29,954.98
  4. Step 4: Simplify right side
    72,050.48x = 3,235,193,578.93
  5. Step 5: Solve for x
    x = 3,235,193,578.93/72,050.48
  6. Step 6: Final answer
    x = 44,901.76

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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.