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Finding the Fourth Proportional to 35,390.59, 48,837.79 and 19,473.55

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Solution

The fourth proportional to 35,390.59, 48,837.79 and 19,473.55 is: 26,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.59 : 48,837.79 = 19,473.55 : x
  2. Step 2: Convert to fraction form
    35,390.59/48,837.79 = 19,473.55/x
  3. Step 3: Cross multiply
    35,390.59x = 48,837.79 × 19,473.55
  4. Step 4: Simplify right side
    35,390.59x = 951,045,145.45
  5. Step 5: Solve for x
    x = 951,045,145.45/35,390.59
  6. Step 6: Final answer
    x = 26,872.83

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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.