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Finding the Fourth Proportional to 51,672.66, 77,404.42 and 47,367.00

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Solution

The fourth proportional to 51,672.66, 77,404.42 and 47,367.00 is: 70,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,672.66 : 77,404.42 = 47,367.00 : x
  2. Step 2: Convert to fraction form
    51,672.66/77,404.42 = 47,367.00/x
  3. Step 3: Cross multiply
    51,672.66x = 77,404.42 × 47,367.00
  4. Step 4: Simplify right side
    51,672.66x = 3,666,415,505.66
  5. Step 5: Solve for x
    x = 3,666,415,505.66/51,672.66
  6. Step 6: Final answer
    x = 70,954.65

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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.