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Finding the Fourth Proportional to 35,057.61, 48,380.76 and 19,142.73

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Solution

The fourth proportional to 35,057.61, 48,380.76 and 19,142.73 is: 26,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,057.61 : 48,380.76 = 19,142.73 : x
  2. Step 2: Convert to fraction form
    35,057.61/48,380.76 = 19,142.73/x
  3. Step 3: Cross multiply
    35,057.61x = 48,380.76 × 19,142.73
  4. Step 4: Simplify right side
    35,057.61x = 926,139,825.87
  5. Step 5: Solve for x
    x = 926,139,825.87/35,057.61
  6. Step 6: Final answer
    x = 26,417.65

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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.