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Finding the Fourth Proportional to 35,458.71, 48,932.39 and 19,326.18

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Solution

The fourth proportional to 35,458.71, 48,932.39 and 19,326.18 is: 26,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.71 : 48,932.39 = 19,326.18 : x
  2. Step 2: Convert to fraction form
    35,458.71/48,932.39 = 19,326.18/x
  3. Step 3: Cross multiply
    35,458.71x = 48,932.39 × 19,326.18
  4. Step 4: Simplify right side
    35,458.71x = 945,676,080.34
  5. Step 5: Solve for x
    x = 945,676,080.34/35,458.71
  6. Step 6: Final answer
    x = 26,669.78

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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.