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Finding the Fourth Proportional to 35,369.79, 48,809.97 and 19,454.91

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Solution

The fourth proportional to 35,369.79, 48,809.97 and 19,454.91 is: 26,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.79 : 48,809.97 = 19,454.91 : x
  2. Step 2: Convert to fraction form
    35,369.79/48,809.97 = 19,454.91/x
  3. Step 3: Cross multiply
    35,369.79x = 48,809.97 × 19,454.91
  4. Step 4: Simplify right side
    35,369.79x = 949,593,573.45
  5. Step 5: Solve for x
    x = 949,593,573.45/35,369.79
  6. Step 6: Final answer
    x = 26,847.59

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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.