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Finding the Fourth Proportional to 21,692.88, 32,525.01 and 14,274.90

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Solution

The fourth proportional to 21,692.88, 32,525.01 and 14,274.90 is: 21,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.88 : 32,525.01 = 14,274.90 : x
  2. Step 2: Convert to fraction form
    21,692.88/32,525.01 = 14,274.90/x
  3. Step 3: Cross multiply
    21,692.88x = 32,525.01 × 14,274.90
  4. Step 4: Simplify right side
    21,692.88x = 464,291,265.25
  5. Step 5: Solve for x
    x = 464,291,265.25/21,692.88
  6. Step 6: Final answer
    x = 21,402.93

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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.