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Finding the Fourth Proportional to 48,249.63, 72,365.63 and 13,188.96

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Solution

The fourth proportional to 48,249.63, 72,365.63 and 13,188.96 is: 19,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249.63 : 72,365.63 = 13,188.96 : x
  2. Step 2: Convert to fraction form
    48,249.63/72,365.63 = 13,188.96/x
  3. Step 3: Cross multiply
    48,249.63x = 72,365.63 × 13,188.96
  4. Step 4: Simplify right side
    48,249.63x = 954,427,333.50
  5. Step 5: Solve for x
    x = 954,427,333.50/48,249.63
  6. Step 6: Final answer
    x = 19,781.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.