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Finding the Fourth Proportional to 64,994.74, 89,692.05 and 36,698.74

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Solution

The fourth proportional to 64,994.74, 89,692.05 and 36,698.74 is: 50,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.74 : 89,692.05 = 36,698.74 : x
  2. Step 2: Convert to fraction form
    64,994.74/89,692.05 = 36,698.74/x
  3. Step 3: Cross multiply
    64,994.74x = 89,692.05 × 36,698.74
  4. Step 4: Simplify right side
    64,994.74x = 3,291,585,223.02
  5. Step 5: Solve for x
    x = 3,291,585,223.02/64,994.74
  6. Step 6: Final answer
    x = 50,643.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.