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Finding the Fourth Proportional to 60,395.46, 90,604.33 and 19,871.25

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Solution

The fourth proportional to 60,395.46, 90,604.33 and 19,871.25 is: 29,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,395.46 : 90,604.33 = 19,871.25 : x
  2. Step 2: Convert to fraction form
    60,395.46/90,604.33 = 19,871.25/x
  3. Step 3: Cross multiply
    60,395.46x = 90,604.33 × 19,871.25
  4. Step 4: Simplify right side
    60,395.46x = 1,800,421,292.51
  5. Step 5: Solve for x
    x = 1,800,421,292.51/60,395.46
  6. Step 6: Final answer
    x = 29,810.54

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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.