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Finding the Fourth Proportional to 22,692.03, 31,310.37 and 13,258.77

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Solution

The fourth proportional to 22,692.03, 31,310.37 and 13,258.77 is: 18,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.03 : 31,310.37 = 13,258.77 : x
  2. Step 2: Convert to fraction form
    22,692.03/31,310.37 = 13,258.77/x
  3. Step 3: Cross multiply
    22,692.03x = 31,310.37 × 13,258.77
  4. Step 4: Simplify right side
    22,692.03x = 415,136,994.44
  5. Step 5: Solve for x
    x = 415,136,994.44/22,692.03
  6. Step 6: Final answer
    x = 18,294.40

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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.