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Finding the Fourth Proportional to 36,830.70, 55,243.62 and 15,770.70

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Solution

The fourth proportional to 36,830.70, 55,243.62 and 15,770.70 is: 23,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.70 : 55,243.62 = 15,770.70 : x
  2. Step 2: Convert to fraction form
    36,830.70/55,243.62 = 15,770.70/x
  3. Step 3: Cross multiply
    36,830.70x = 55,243.62 × 15,770.70
  4. Step 4: Simplify right side
    36,830.70x = 871,230,557.93
  5. Step 5: Solve for x
    x = 871,230,557.93/36,830.70
  6. Step 6: Final answer
    x = 23,655.01

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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.