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Finding the Fourth Proportional to 35,799.95, 49,403.99 and 19,883.99

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Solution

The fourth proportional to 35,799.95, 49,403.99 and 19,883.99 is: 27,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,799.95 : 49,403.99 = 19,883.99 : x
  2. Step 2: Convert to fraction form
    35,799.95/49,403.99 = 19,883.99/x
  3. Step 3: Cross multiply
    35,799.95x = 49,403.99 × 19,883.99
  4. Step 4: Simplify right side
    35,799.95x = 982,348,443.12
  5. Step 5: Solve for x
    x = 982,348,443.12/35,799.95
  6. Step 6: Final answer
    x = 27,439.94

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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.