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Finding the Fourth Proportional to 35,258.99, 48,657.40 and 19,343.78

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Solution

The fourth proportional to 35,258.99, 48,657.40 and 19,343.78 is: 26,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.99 : 48,657.40 = 19,343.78 : x
  2. Step 2: Convert to fraction form
    35,258.99/48,657.40 = 19,343.78/x
  3. Step 3: Cross multiply
    35,258.99x = 48,657.40 × 19,343.78
  4. Step 4: Simplify right side
    35,258.99x = 941,218,040.97
  5. Step 5: Solve for x
    x = 941,218,040.97/35,258.99
  6. Step 6: Final answer
    x = 26,694.41

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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.