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Finding the Fourth Proportional to 47,092.88, 70,573.64 and 35,392.40

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Solution

The fourth proportional to 47,092.88, 70,573.64 and 35,392.40 is: 53,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,092.88 : 70,573.64 = 35,392.40 : x
  2. Step 2: Convert to fraction form
    47,092.88/70,573.64 = 35,392.40/x
  3. Step 3: Cross multiply
    47,092.88x = 70,573.64 × 35,392.40
  4. Step 4: Simplify right side
    47,092.88x = 2,497,770,496.34
  5. Step 5: Solve for x
    x = 2,497,770,496.34/47,092.88
  6. Step 6: Final answer
    x = 53,039.24

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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.