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Finding the Fourth Proportional to 17,768.70, 26,692.65 and 14,852.70

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Solution

The fourth proportional to 17,768.70, 26,692.65 and 14,852.70 is: 22,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.70 : 26,692.65 = 14,852.70 : x
  2. Step 2: Convert to fraction form
    17,768.70/26,692.65 = 14,852.70/x
  3. Step 3: Cross multiply
    17,768.70x = 26,692.65 × 14,852.70
  4. Step 4: Simplify right side
    17,768.70x = 396,457,922.66
  5. Step 5: Solve for x
    x = 396,457,922.66/17,768.70
  6. Step 6: Final answer
    x = 22,312.15

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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.