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Finding the Fourth Proportional to 52,692.60, 79,052.40 and 30,466.20

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Solution

The fourth proportional to 52,692.60, 79,052.40 and 30,466.20 is: 45,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,692.60 : 79,052.40 = 30,466.20 : x
  2. Step 2: Convert to fraction form
    52,692.60/79,052.40 = 30,466.20/x
  3. Step 3: Cross multiply
    52,692.60x = 79,052.40 × 30,466.20
  4. Step 4: Simplify right side
    52,692.60x = 2,408,426,228.88
  5. Step 5: Solve for x
    x = 2,408,426,228.88/52,692.60
  6. Step 6: Final answer
    x = 45,707.11

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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.