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Finding the Fourth Proportional to 39,879.99, 59,820.06 and 37,444.21

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Solution

The fourth proportional to 39,879.99, 59,820.06 and 37,444.21 is: 56,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.99 : 59,820.06 = 37,444.21 : x
  2. Step 2: Convert to fraction form
    39,879.99/59,820.06 = 37,444.21/x
  3. Step 3: Cross multiply
    39,879.99x = 59,820.06 × 37,444.21
  4. Step 4: Simplify right side
    39,879.99x = 2,239,914,888.85
  5. Step 5: Solve for x
    x = 2,239,914,888.85/39,879.99
  6. Step 6: Final answer
    x = 56,166.39

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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.