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Finding the Fourth Proportional to 32,487.93, 48,692.65 and 15,822.99

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Solution

The fourth proportional to 32,487.93, 48,692.65 and 15,822.99 is: 23,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.93 : 48,692.65 = 15,822.99 : x
  2. Step 2: Convert to fraction form
    32,487.93/48,692.65 = 15,822.99/x
  3. Step 3: Cross multiply
    32,487.93x = 48,692.65 × 15,822.99
  4. Step 4: Simplify right side
    32,487.93x = 770,463,314.02
  5. Step 5: Solve for x
    x = 770,463,314.02/32,487.93
  6. Step 6: Final answer
    x = 23,715.37

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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.