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Finding the Fourth Proportional to 26,995,617.60, 40,496,978.40 and 9,968,251.20

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Solution

The fourth proportional to 26,995,617.60, 40,496,978.40 and 9,968,251.20 is: 14,953,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995,617.60 : 40,496,978.40 = 9,968,251.20 : x
  2. Step 2: Convert to fraction form
    26,995,617.60/40,496,978.40 = 9,968,251.20/x
  3. Step 3: Cross multiply
    26,995,617.60x = 40,496,978.40 × 9,968,251.20
  4. Step 4: Simplify right side
    26,995,617.60x = 403,684,053,532,174.06
  5. Step 5: Solve for x
    x = 403,684,053,532,174.06/26,995,617.60
  6. Step 6: Final answer
    x = 14,953,688.39

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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.