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Finding the Fourth Proportional to 35,388.60, 48,837.60 and 19,474.20

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Solution

The fourth proportional to 35,388.60, 48,837.60 and 19,474.20 is: 26,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.60 : 48,837.60 = 19,474.20 : x
  2. Step 2: Convert to fraction form
    35,388.60/48,837.60 = 19,474.20/x
  3. Step 3: Cross multiply
    35,388.60x = 48,837.60 × 19,474.20
  4. Step 4: Simplify right side
    35,388.60x = 951,073,189.92
  5. Step 5: Solve for x
    x = 951,073,189.92/35,388.60
  6. Step 6: Final answer
    x = 26,875.13

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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.