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Finding the Fourth Proportional to 70,754.07, 97,631.72 and 47,833.74

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Solution

The fourth proportional to 70,754.07, 97,631.72 and 47,833.74 is: 66,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.07 : 97,631.72 = 47,833.74 : x
  2. Step 2: Convert to fraction form
    70,754.07/97,631.72 = 47,833.74/x
  3. Step 3: Cross multiply
    70,754.07x = 97,631.72 × 47,833.74
  4. Step 4: Simplify right side
    70,754.07x = 4,670,089,822.07
  5. Step 5: Solve for x
    x = 4,670,089,822.07/70,754.07
  6. Step 6: Final answer
    x = 66,004.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.