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Finding the Fourth Proportional to 47,245.74, 70,868.53 and 16,080.99

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Solution

The fourth proportional to 47,245.74, 70,868.53 and 16,080.99 is: 24,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.74 : 70,868.53 = 16,080.99 : x
  2. Step 2: Convert to fraction form
    47,245.74/70,868.53 = 16,080.99/x
  3. Step 3: Cross multiply
    47,245.74x = 70,868.53 × 16,080.99
  4. Step 4: Simplify right side
    47,245.74x = 1,139,636,122.24
  5. Step 5: Solve for x
    x = 1,139,636,122.24/47,245.74
  6. Step 6: Final answer
    x = 24,121.46

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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.