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Finding the Fourth Proportional to 26,606.31, 39,899.07 and 11,618.00

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Solution

The fourth proportional to 26,606.31, 39,899.07 and 11,618.00 is: 17,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606.31 : 39,899.07 = 11,618.00 : x
  2. Step 2: Convert to fraction form
    26,606.31/39,899.07 = 11,618.00/x
  3. Step 3: Cross multiply
    26,606.31x = 39,899.07 × 11,618.00
  4. Step 4: Simplify right side
    26,606.31x = 463,547,495.01
  5. Step 5: Solve for x
    x = 463,547,495.01/26,606.31
  6. Step 6: Final answer
    x = 17,422.46

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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.