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Finding the Fourth Proportional to 19,477.84, 29,224.12 and 11,692.08

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Solution

The fourth proportional to 19,477.84, 29,224.12 and 11,692.08 is: 17,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.84 : 29,224.12 = 11,692.08 : x
  2. Step 2: Convert to fraction form
    19,477.84/29,224.12 = 11,692.08/x
  3. Step 3: Cross multiply
    19,477.84x = 29,224.12 × 11,692.08
  4. Step 4: Simplify right side
    19,477.84x = 341,690,748.97
  5. Step 5: Solve for x
    x = 341,690,748.97/19,477.84
  6. Step 6: Final answer
    x = 17,542.54

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1.5x scale

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.