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Finding the Fourth Proportional to 59,383.47, 89,082.54 and 19,401.51

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Solution

The fourth proportional to 59,383.47, 89,082.54 and 19,401.51 is: 29,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,383.47 : 89,082.54 = 19,401.51 : x
  2. Step 2: Convert to fraction form
    59,383.47/89,082.54 = 19,401.51/x
  3. Step 3: Cross multiply
    59,383.47x = 89,082.54 × 19,401.51
  4. Step 4: Simplify right side
    59,383.47x = 1,728,335,790.64
  5. Step 5: Solve for x
    x = 1,728,335,790.64/59,383.47
  6. Step 6: Final answer
    x = 29,104.66

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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.