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Finding the Fourth Proportional to 109,692.74, 164,539.11 and 26,586.74

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Solution

The fourth proportional to 109,692.74, 164,539.11 and 26,586.74 is: 39,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,692.74 : 164,539.11 = 26,586.74 : x
  2. Step 2: Convert to fraction form
    109,692.74/164,539.11 = 26,586.74/x
  3. Step 3: Cross multiply
    109,692.74x = 164,539.11 × 26,586.74
  4. Step 4: Simplify right side
    109,692.74x = 4,374,558,059.59
  5. Step 5: Solve for x
    x = 4,374,558,059.59/109,692.74
  6. Step 6: Final answer
    x = 39,880.11

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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.