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Finding the Fourth Proportional to 29,487.81, 40,692.93 and 16,059.04

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Solution

The fourth proportional to 29,487.81, 40,692.93 and 16,059.04 is: 22,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.81 : 40,692.93 = 16,059.04 : x
  2. Step 2: Convert to fraction form
    29,487.81/40,692.93 = 16,059.04/x
  3. Step 3: Cross multiply
    29,487.81x = 40,692.93 × 16,059.04
  4. Step 4: Simplify right side
    29,487.81x = 653,489,390.59
  5. Step 5: Solve for x
    x = 653,489,390.59/29,487.81
  6. Step 6: Final answer
    x = 22,161.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.