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Finding the Fourth Proportional to 35,672.70, 49,228.69 and 19,757.04

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Solution

The fourth proportional to 35,672.70, 49,228.69 and 19,757.04 is: 27,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.70 : 49,228.69 = 19,757.04 : x
  2. Step 2: Convert to fraction form
    35,672.70/49,228.69 = 19,757.04/x
  3. Step 3: Cross multiply
    35,672.70x = 49,228.69 × 19,757.04
  4. Step 4: Simplify right side
    35,672.70x = 972,613,083.41
  5. Step 5: Solve for x
    x = 972,613,083.41/35,672.70
  6. Step 6: Final answer
    x = 27,264.91

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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.