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Finding the Fourth Proportional to 39,998.96, 59,994.92 and 36,866.96

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Solution

The fourth proportional to 39,998.96, 59,994.92 and 36,866.96 is: 55,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.96 : 59,994.92 = 36,866.96 : x
  2. Step 2: Convert to fraction form
    39,998.96/59,994.92 = 36,866.96/x
  3. Step 3: Cross multiply
    39,998.96x = 59,994.92 × 36,866.96
  4. Step 4: Simplify right side
    39,998.96x = 2,211,830,315.84
  5. Step 5: Solve for x
    x = 2,211,830,315.84/39,998.96
  6. Step 6: Final answer
    x = 55,297.20

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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.