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Finding the Fourth Proportional to 58,692.40, 88,103.40 and 36,530.80

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Solution

The fourth proportional to 58,692.40, 88,103.40 and 36,530.80 is: 54,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,692.40 : 88,103.40 = 36,530.80 : x
  2. Step 2: Convert to fraction form
    58,692.40/88,103.40 = 36,530.80/x
  3. Step 3: Cross multiply
    58,692.40x = 88,103.40 × 36,530.80
  4. Step 4: Simplify right side
    58,692.40x = 3,218,487,684.72
  5. Step 5: Solve for x
    x = 3,218,487,684.72/58,692.40
  6. Step 6: Final answer
    x = 54,836.53

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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.