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Finding the Fourth Proportional to 60,388.76, 90,585.18 and 16,020

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Solution

The fourth proportional to 60,388.76, 90,585.18 and 16,020 is: 24,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.76 : 90,585.18 = 16,020 : x
  2. Step 2: Convert to fraction form
    60,388.76/90,585.18 = 16,020/x
  3. Step 3: Cross multiply
    60,388.76x = 90,585.18 × 16,020
  4. Step 4: Simplify right side
    60,388.76x = 1,451,174,583.60
  5. Step 5: Solve for x
    x = 1,451,174,583.60/60,388.76
  6. Step 6: Final answer
    x = 24,030.54

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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.