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Finding the Fourth Proportional to 60,423.98, 90,629.57 and 16,055.21

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Solution

The fourth proportional to 60,423.98, 90,629.57 and 16,055.21 is: 24,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,423.98 : 90,629.57 = 16,055.21 : x
  2. Step 2: Convert to fraction form
    60,423.98/90,629.57 = 16,055.21/x
  3. Step 3: Cross multiply
    60,423.98x = 90,629.57 × 16,055.21
  4. Step 4: Simplify right side
    60,423.98x = 1,455,076,245.14
  5. Step 5: Solve for x
    x = 1,455,076,245.14/60,423.98
  6. Step 6: Final answer
    x = 24,081.11

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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.