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Finding the Fourth Proportional to 29,017.80, 43,526.70 and 13,426.92

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Solution

The fourth proportional to 29,017.80, 43,526.70 and 13,426.92 is: 20,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.80 : 43,526.70 = 13,426.92 : x
  2. Step 2: Convert to fraction form
    29,017.80/43,526.70 = 13,426.92/x
  3. Step 3: Cross multiply
    29,017.80x = 43,526.70 × 13,426.92
  4. Step 4: Simplify right side
    29,017.80x = 584,429,518.76
  5. Step 5: Solve for x
    x = 584,429,518.76/29,017.80
  6. Step 6: Final answer
    x = 20,140.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.