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Finding the Fourth Proportional to 17,978,635.65, 26,968,455.94 and 5,848,099.14

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Solution

The fourth proportional to 17,978,635.65, 26,968,455.94 and 5,848,099.14 is: 8,772,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978,635.65 : 26,968,455.94 = 5,848,099.14 : x
  2. Step 2: Convert to fraction form
    17,978,635.65/26,968,455.94 = 5,848,099.14/x
  3. Step 3: Cross multiply
    17,978,635.65x = 26,968,455.94 × 5,848,099.14
  4. Step 4: Simplify right side
    17,978,635.65x = 157,714,203,955,830.94
  5. Step 5: Solve for x
    x = 157,714,203,955,830.94/17,978,635.65
  6. Step 6: Final answer
    x = 8,772,312.15

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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.