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Finding the Fourth Proportional to 35,394.57, 48,845.84 and 19,478.61

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Solution

The fourth proportional to 35,394.57, 48,845.84 and 19,478.61 is: 26,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.57 : 48,845.84 = 19,478.61 : x
  2. Step 2: Convert to fraction form
    35,394.57/48,845.84 = 19,478.61/x
  3. Step 3: Cross multiply
    35,394.57x = 48,845.84 × 19,478.61
  4. Step 4: Simplify right side
    35,394.57x = 951,448,970.09
  5. Step 5: Solve for x
    x = 951,448,970.09/35,394.57
  6. Step 6: Final answer
    x = 26,881.21

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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.