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Finding the Fourth Proportional to 35,798.50, 49,400.55 and 19,883.96

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Solution

The fourth proportional to 35,798.50, 49,400.55 and 19,883.96 is: 27,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.50 : 49,400.55 = 19,883.96 : x
  2. Step 2: Convert to fraction form
    35,798.50/49,400.55 = 19,883.96/x
  3. Step 3: Cross multiply
    35,798.50x = 49,400.55 × 19,883.96
  4. Step 4: Simplify right side
    35,798.50x = 982,278,560.18
  5. Step 5: Solve for x
    x = 982,278,560.18/35,798.50
  6. Step 6: Final answer
    x = 27,439.10

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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.