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Finding the Fourth Proportional to 36,642.05, 51,402.55 and 36,642.05

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Solution

The fourth proportional to 36,642.05, 51,402.55 and 36,642.05 is: 51,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.05 : 51,402.55 = 36,642.05 : x
  2. Step 2: Convert to fraction form
    36,642.05/51,402.55 = 36,642.05/x
  3. Step 3: Cross multiply
    36,642.05x = 51,402.55 × 36,642.05
  4. Step 4: Simplify right side
    36,642.05x = 1,883,494,807.23
  5. Step 5: Solve for x
    x = 1,883,494,807.23/36,642.05
  6. Step 6: Final answer
    x = 51,402.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.