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Finding the Fourth Proportional to 25,235.80, 37,821.30 and 19,363.30

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Solution

The fourth proportional to 25,235.80, 37,821.30 and 19,363.30 is: 29,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.80 : 37,821.30 = 19,363.30 : x
  2. Step 2: Convert to fraction form
    25,235.80/37,821.30 = 19,363.30/x
  3. Step 3: Cross multiply
    25,235.80x = 37,821.30 × 19,363.30
  4. Step 4: Simplify right side
    25,235.80x = 732,345,178.29
  5. Step 5: Solve for x
    x = 732,345,178.29/25,235.80
  6. Step 6: Final answer
    x = 29,020.09

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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.