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Finding the Fourth Proportional to 17,491,887.60, 26,248,890.60 and 10,303,407.60

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Solution

The fourth proportional to 17,491,887.60, 26,248,890.60 and 10,303,407.60 is: 15,461,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491,887.60 : 26,248,890.60 = 10,303,407.60 : x
  2. Step 2: Convert to fraction form
    17,491,887.60/26,248,890.60 = 10,303,407.60/x
  3. Step 3: Cross multiply
    17,491,887.60x = 26,248,890.60 × 10,303,407.60
  4. Step 4: Simplify right side
    17,491,887.60x = 270,453,018,899,608.56
  5. Step 5: Solve for x
    x = 270,453,018,899,608.56/17,491,887.60
  6. Step 6: Final answer
    x = 15,461,625.70

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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.