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Finding the Fourth Proportional to 37,899,602.88, 52,301,864.88 and 20,496,287.94

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Solution

The fourth proportional to 37,899,602.88, 52,301,864.88 and 20,496,287.94 is: 28,285,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,899,602.88 : 52,301,864.88 = 20,496,287.94 : x
  2. Step 2: Convert to fraction form
    37,899,602.88/52,301,864.88 = 20,496,287.94/x
  3. Step 3: Cross multiply
    37,899,602.88x = 52,301,864.88 × 20,496,287.94
  4. Step 4: Simplify right side
    37,899,602.88x = 1,071,994,082,379,453.62
  5. Step 5: Solve for x
    x = 1,071,994,082,379,453.62/37,899,602.88
  6. Step 6: Final answer
    x = 28,285,100.66

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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.