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Finding the Fourth Proportional to 35,274.59, 48,679.88 and 19,359.60

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Solution

The fourth proportional to 35,274.59, 48,679.88 and 19,359.60 is: 26,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.59 : 48,679.88 = 19,359.60 : x
  2. Step 2: Convert to fraction form
    35,274.59/48,679.88 = 19,359.60/x
  3. Step 3: Cross multiply
    35,274.59x = 48,679.88 × 19,359.60
  4. Step 4: Simplify right side
    35,274.59x = 942,422,908.05
  5. Step 5: Solve for x
    x = 942,422,908.05/35,274.59
  6. Step 6: Final answer
    x = 26,716.77

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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.