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Finding the Fourth Proportional to 35,243.42, 48,638.97 and 19,330.97

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Solution

The fourth proportional to 35,243.42, 48,638.97 and 19,330.97 is: 26,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,243.42 : 48,638.97 = 19,330.97 : x
  2. Step 2: Convert to fraction form
    35,243.42/48,638.97 = 19,330.97/x
  3. Step 3: Cross multiply
    35,243.42x = 48,638.97 × 19,330.97
  4. Step 4: Simplify right side
    35,243.42x = 940,238,226.71
  5. Step 5: Solve for x
    x = 940,238,226.71/35,243.42
  6. Step 6: Final answer
    x = 26,678.41

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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.