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Finding the Fourth Proportional to 29,486.85, 40,692.12 and 16,058.17

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Solution

The fourth proportional to 29,486.85, 40,692.12 and 16,058.17 is: 22,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.85 : 40,692.12 = 16,058.17 : x
  2. Step 2: Convert to fraction form
    29,486.85/40,692.12 = 16,058.17/x
  3. Step 3: Cross multiply
    29,486.85x = 40,692.12 × 16,058.17
  4. Step 4: Simplify right side
    29,486.85x = 653,440,980.62
  5. Step 5: Solve for x
    x = 653,440,980.62/29,486.85
  6. Step 6: Final answer
    x = 22,160.42

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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.