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Finding the Fourth Proportional to 35,673.81, 49,230.90 and 19,757.91

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Solution

The fourth proportional to 35,673.81, 49,230.90 and 19,757.91 is: 27,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.81 : 49,230.90 = 19,757.91 : x
  2. Step 2: Convert to fraction form
    35,673.81/49,230.90 = 19,757.91/x
  3. Step 3: Cross multiply
    35,673.81x = 49,230.90 × 19,757.91
  4. Step 4: Simplify right side
    35,673.81x = 972,699,691.42
  5. Step 5: Solve for x
    x = 972,699,691.42/35,673.81
  6. Step 6: Final answer
    x = 27,266.49

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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.