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Finding the Fourth Proportional to 72,287.91, 108,404.96 and 24,889.77

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Solution

The fourth proportional to 72,287.91, 108,404.96 and 24,889.77 is: 37,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.91 : 108,404.96 = 24,889.77 : x
  2. Step 2: Convert to fraction form
    72,287.91/108,404.96 = 24,889.77/x
  3. Step 3: Cross multiply
    72,287.91x = 108,404.96 × 24,889.77
  4. Step 4: Simplify right side
    72,287.91x = 2,698,174,396.81
  5. Step 5: Solve for x
    x = 2,698,174,396.81/72,287.91
  6. Step 6: Final answer
    x = 37,325.39

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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.