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Finding the Fourth Proportional to 48,686.67, 67,187.81 and 26,330.67

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Solution

The fourth proportional to 48,686.67, 67,187.81 and 26,330.67 is: 36,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.67 : 67,187.81 = 26,330.67 : x
  2. Step 2: Convert to fraction form
    48,686.67/67,187.81 = 26,330.67/x
  3. Step 3: Cross multiply
    48,686.67x = 67,187.81 × 26,330.67
  4. Step 4: Simplify right side
    48,686.67x = 1,769,099,921.48
  5. Step 5: Solve for x
    x = 1,769,099,921.48/48,686.67
  6. Step 6: Final answer
    x = 36,336.43

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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.