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Finding the Fourth Proportional to 49,670.99, 74,509.05 and 16,393.64

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Solution

The fourth proportional to 49,670.99, 74,509.05 and 16,393.64 is: 24,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.99 : 74,509.05 = 16,393.64 : x
  2. Step 2: Convert to fraction form
    49,670.99/74,509.05 = 16,393.64/x
  3. Step 3: Cross multiply
    49,670.99x = 74,509.05 × 16,393.64
  4. Step 4: Simplify right side
    49,670.99x = 1,221,474,728.71
  5. Step 5: Solve for x
    x = 1,221,474,728.71/49,670.99
  6. Step 6: Final answer
    x = 24,591.31

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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.