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Finding the Fourth Proportional to 40,408.70, 60,623.85 and 36,056.30

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Solution

The fourth proportional to 40,408.70, 60,623.85 and 36,056.30 is: 54,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.70 : 60,623.85 = 36,056.30 : x
  2. Step 2: Convert to fraction form
    40,408.70/60,623.85 = 36,056.30/x
  3. Step 3: Cross multiply
    40,408.70x = 60,623.85 × 36,056.30
  4. Step 4: Simplify right side
    40,408.70x = 2,185,871,722.76
  5. Step 5: Solve for x
    x = 2,185,871,722.76/40,408.70
  6. Step 6: Final answer
    x = 54,094.09

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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.