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Finding the Fourth Proportional to 35,797.60, 49,400.40 and 19,883.20

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Solution

The fourth proportional to 35,797.60, 49,400.40 and 19,883.20 is: 27,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,797.60 : 49,400.40 = 19,883.20 : x
  2. Step 2: Convert to fraction form
    35,797.60/49,400.40 = 19,883.20/x
  3. Step 3: Cross multiply
    35,797.60x = 49,400.40 × 19,883.20
  4. Step 4: Simplify right side
    35,797.60x = 982,238,033.28
  5. Step 5: Solve for x
    x = 982,238,033.28/35,797.60
  6. Step 6: Final answer
    x = 27,438.66

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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.