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Finding the Fourth Proportional to 43,959.99, 65,943 and 17,664.69

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Solution

The fourth proportional to 43,959.99, 65,943 and 17,664.69 is: 26,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959.99 : 65,943 = 17,664.69 : x
  2. Step 2: Convert to fraction form
    43,959.99/65,943 = 17,664.69/x
  3. Step 3: Cross multiply
    43,959.99x = 65,943 × 17,664.69
  4. Step 4: Simplify right side
    43,959.99x = 1,164,862,652.67
  5. Step 5: Solve for x
    x = 1,164,862,652.67/43,959.99
  6. Step 6: Final answer
    x = 26,498.25

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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.