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Finding the Fourth Proportional to 17,388,500.16, 26,045,978.40 and 10,995,453.12

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Solution

The fourth proportional to 17,388,500.16, 26,045,978.40 and 10,995,453.12 is: 16,469,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388,500.16 : 26,045,978.40 = 10,995,453.12 : x
  2. Step 2: Convert to fraction form
    17,388,500.16/26,045,978.40 = 10,995,453.12/x
  3. Step 3: Cross multiply
    17,388,500.16x = 26,045,978.40 × 10,995,453.12
  4. Step 4: Simplify right side
    17,388,500.16x = 286,387,334,461,732.56
  5. Step 5: Solve for x
    x = 286,387,334,461,732.56/17,388,500.16
  6. Step 6: Final answer
    x = 16,469,927.36

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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.