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Finding the Fourth Proportional to 35,102.43, 48,440.79 and 19,186.56

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Solution

The fourth proportional to 35,102.43, 48,440.79 and 19,186.56 is: 26,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,102.43 : 48,440.79 = 19,186.56 : x
  2. Step 2: Convert to fraction form
    35,102.43/48,440.79 = 19,186.56/x
  3. Step 3: Cross multiply
    35,102.43x = 48,440.79 × 19,186.56
  4. Step 4: Simplify right side
    35,102.43x = 929,412,123.78
  5. Step 5: Solve for x
    x = 929,412,123.78/35,102.43
  6. Step 6: Final answer
    x = 26,477.14

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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.