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Finding the Fourth Proportional to 35,488.89, 48,974.09 and 19,574.82

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Solution

The fourth proportional to 35,488.89, 48,974.09 and 19,574.82 is: 27,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.89 : 48,974.09 = 19,574.82 : x
  2. Step 2: Convert to fraction form
    35,488.89/48,974.09 = 19,574.82/x
  3. Step 3: Cross multiply
    35,488.89x = 48,974.09 × 19,574.82
  4. Step 4: Simplify right side
    35,488.89x = 958,658,898.54
  5. Step 5: Solve for x
    x = 958,658,898.54/35,488.89
  6. Step 6: Final answer
    x = 27,012.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.