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Finding the Fourth Proportional to 35,458.40, 48,934.16 and 19,544.48

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Solution

The fourth proportional to 35,458.40, 48,934.16 and 19,544.48 is: 26,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.40 : 48,934.16 = 19,544.48 : x
  2. Step 2: Convert to fraction form
    35,458.40/48,934.16 = 19,544.48/x
  3. Step 3: Cross multiply
    35,458.40x = 48,934.16 × 19,544.48
  4. Step 4: Simplify right side
    35,458.40x = 956,392,711.44
  5. Step 5: Solve for x
    x = 956,392,711.44/35,458.40
  6. Step 6: Final answer
    x = 26,972.25

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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.