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Finding the Fourth Proportional to 35,353.73, 48,788.35 and 19,439.21

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Solution

The fourth proportional to 35,353.73, 48,788.35 and 19,439.21 is: 26,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.73 : 48,788.35 = 19,439.21 : x
  2. Step 2: Convert to fraction form
    35,353.73/48,788.35 = 19,439.21/x
  3. Step 3: Cross multiply
    35,353.73x = 48,788.35 × 19,439.21
  4. Step 4: Simplify right side
    35,353.73x = 948,407,054.58
  5. Step 5: Solve for x
    x = 948,407,054.58/35,353.73
  6. Step 6: Final answer
    x = 26,826.22

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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.