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Finding the Fourth Proportional to 60,389.22, 90,583.71 and 16,020.42

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Solution

The fourth proportional to 60,389.22, 90,583.71 and 16,020.42 is: 24,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,389.22 : 90,583.71 = 16,020.42 : x
  2. Step 2: Convert to fraction form
    60,389.22/90,583.71 = 16,020.42/x
  3. Step 3: Cross multiply
    60,389.22x = 90,583.71 × 16,020.42
  4. Step 4: Simplify right side
    60,389.22x = 1,451,189,079.36
  5. Step 5: Solve for x
    x = 1,451,189,079.36/60,389.22
  6. Step 6: Final answer
    x = 24,030.60

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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.