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Finding the Fourth Proportional to 35,655.46, 49,202.65 and 19,519.67

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Solution

The fourth proportional to 35,655.46, 49,202.65 and 19,519.67 is: 26,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.46 : 49,202.65 = 19,519.67 : x
  2. Step 2: Convert to fraction form
    35,655.46/49,202.65 = 19,519.67/x
  3. Step 3: Cross multiply
    35,655.46x = 49,202.65 × 19,519.67
  4. Step 4: Simplify right side
    35,655.46x = 960,419,491.13
  5. Step 5: Solve for x
    x = 960,419,491.13/35,655.46
  6. Step 6: Final answer
    x = 26,936.12

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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.