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Finding the Fourth Proportional to 66,670.46, 100,002.44 and 16,749.42

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Solution

The fourth proportional to 66,670.46, 100,002.44 and 16,749.42 is: 25,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670.46 : 100,002.44 = 16,749.42 : x
  2. Step 2: Convert to fraction form
    66,670.46/100,002.44 = 16,749.42/x
  3. Step 3: Cross multiply
    66,670.46x = 100,002.44 × 16,749.42
  4. Step 4: Simplify right side
    66,670.46x = 1,674,982,784.84
  5. Step 5: Solve for x
    x = 1,674,982,784.84/66,670.46
  6. Step 6: Final answer
    x = 25,123.31

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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.