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Finding the Fourth Proportional to 35,454.65, 48,928.43 and 19,540.12

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Solution

The fourth proportional to 35,454.65, 48,928.43 and 19,540.12 is: 26,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.65 : 48,928.43 = 19,540.12 : x
  2. Step 2: Convert to fraction form
    35,454.65/48,928.43 = 19,540.12/x
  3. Step 3: Cross multiply
    35,454.65x = 48,928.43 × 19,540.12
  4. Step 4: Simplify right side
    35,454.65x = 956,067,393.61
  5. Step 5: Solve for x
    x = 956,067,393.61/35,454.65
  6. Step 6: Final answer
    x = 26,965.92

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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.