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Finding the Fourth Proportional to 43,733.07, 65,583.51 and 15,645.51

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Solution

The fourth proportional to 43,733.07, 65,583.51 and 15,645.51 is: 23,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,733.07 : 65,583.51 = 15,645.51 : x
  2. Step 2: Convert to fraction form
    43,733.07/65,583.51 = 15,645.51/x
  3. Step 3: Cross multiply
    43,733.07x = 65,583.51 × 15,645.51
  4. Step 4: Simplify right side
    43,733.07x = 1,026,087,461.54
  5. Step 5: Solve for x
    x = 1,026,087,461.54/43,733.07
  6. Step 6: Final answer
    x = 23,462.51

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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.