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Finding the Fourth Proportional to 58,645.48, 87,954.73 and 34,959.71

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Solution

The fourth proportional to 58,645.48, 87,954.73 and 34,959.71 is: 52,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.48 : 87,954.73 = 34,959.71 : x
  2. Step 2: Convert to fraction form
    58,645.48/87,954.73 = 34,959.71/x
  3. Step 3: Cross multiply
    58,645.48x = 87,954.73 × 34,959.71
  4. Step 4: Simplify right side
    58,645.48x = 3,074,871,986.42
  5. Step 5: Solve for x
    x = 3,074,871,986.42/58,645.48
  6. Step 6: Final answer
    x = 52,431.53

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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.