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Finding the Fourth Proportional to 35,394.10, 48,843.83 and 19,478.56

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Solution

The fourth proportional to 35,394.10, 48,843.83 and 19,478.56 is: 26,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.10 : 48,843.83 = 19,478.56 : x
  2. Step 2: Convert to fraction form
    35,394.10/48,843.83 = 19,478.56/x
  3. Step 3: Cross multiply
    35,394.10x = 48,843.83 × 19,478.56
  4. Step 4: Simplify right side
    35,394.10x = 951,407,381.89
  5. Step 5: Solve for x
    x = 951,407,381.89/35,394.10
  6. Step 6: Final answer
    x = 26,880.40

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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.