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Finding the Fourth Proportional to 35,409.68, 48,867.12 and 19,493.96

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Solution

The fourth proportional to 35,409.68, 48,867.12 and 19,493.96 is: 26,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.68 : 48,867.12 = 19,493.96 : x
  2. Step 2: Convert to fraction form
    35,409.68/48,867.12 = 19,493.96/x
  3. Step 3: Cross multiply
    35,409.68x = 48,867.12 × 19,493.96
  4. Step 4: Simplify right side
    35,409.68x = 952,613,682.60
  5. Step 5: Solve for x
    x = 952,613,682.60/35,409.68
  6. Step 6: Final answer
    x = 26,902.63

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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.