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Finding the Fourth Proportional to 35,458.62, 48,932.89 and 19,543.07

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Solution

The fourth proportional to 35,458.62, 48,932.89 and 19,543.07 is: 26,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.62 : 48,932.89 = 19,543.07 : x
  2. Step 2: Convert to fraction form
    35,458.62/48,932.89 = 19,543.07/x
  3. Step 3: Cross multiply
    35,458.62x = 48,932.89 × 19,543.07
  4. Step 4: Simplify right side
    35,458.62x = 956,298,634.35
  5. Step 5: Solve for x
    x = 956,298,634.35/35,458.62
  6. Step 6: Final answer
    x = 26,969.43

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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.