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Finding the Fourth Proportional to 29,692.71, 44,539.59 and 13,888.98

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Solution

The fourth proportional to 29,692.71, 44,539.59 and 13,888.98 is: 20,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,692.71 : 44,539.59 = 13,888.98 : x
  2. Step 2: Convert to fraction form
    29,692.71/44,539.59 = 13,888.98/x
  3. Step 3: Cross multiply
    29,692.71x = 44,539.59 × 13,888.98
  4. Step 4: Simplify right side
    29,692.71x = 618,609,474.72
  5. Step 5: Solve for x
    x = 618,609,474.72/29,692.71
  6. Step 6: Final answer
    x = 20,833.72

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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.