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Finding the Fourth Proportional to 35,231.80, 52,890.90 and 19,449.40

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Solution

The fourth proportional to 35,231.80, 52,890.90 and 19,449.40 is: 29,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.80 : 52,890.90 = 19,449.40 : x
  2. Step 2: Convert to fraction form
    35,231.80/52,890.90 = 19,449.40/x
  3. Step 3: Cross multiply
    35,231.80x = 52,890.90 × 19,449.40
  4. Step 4: Simplify right side
    35,231.80x = 1,028,696,270.46
  5. Step 5: Solve for x
    x = 1,028,696,270.46/35,231.80
  6. Step 6: Final answer
    x = 29,197.95

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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.