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Finding the Fourth Proportional to 35,415.59, 53,119.17 and 11,723.18

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Solution

The fourth proportional to 35,415.59, 53,119.17 and 11,723.18 is: 17,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.59 : 53,119.17 = 11,723.18 : x
  2. Step 2: Convert to fraction form
    35,415.59/53,119.17 = 11,723.18/x
  3. Step 3: Cross multiply
    35,415.59x = 53,119.17 × 11,723.18
  4. Step 4: Simplify right side
    35,415.59x = 622,725,325.76
  5. Step 5: Solve for x
    x = 622,725,325.76/35,415.59
  6. Step 6: Final answer
    x = 17,583.37

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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.