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Finding the Fourth Proportional to 7,242,892.16, 10,869,443.06 and 3,404,889.41

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Solution

The fourth proportional to 7,242,892.16, 10,869,443.06 and 3,404,889.41 is: 5,109,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,892.16 : 10,869,443.06 = 3,404,889.41 : x
  2. Step 2: Convert to fraction form
    7,242,892.16/10,869,443.06 = 3,404,889.41/x
  3. Step 3: Cross multiply
    7,242,892.16x = 10,869,443.06 × 3,404,889.41
  4. Step 4: Simplify right side
    7,242,892.16x = 37,009,251,496,220.33
  5. Step 5: Solve for x
    x = 37,009,251,496,220.33/7,242,892.16
  6. Step 6: Final answer
    x = 5,109,733.89

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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.