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Finding the Fourth Proportional to 70,632.75, 97,470.32 and 41,956.59

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Solution

The fourth proportional to 70,632.75, 97,470.32 and 41,956.59 is: 57,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.75 : 97,470.32 = 41,956.59 : x
  2. Step 2: Convert to fraction form
    70,632.75/97,470.32 = 41,956.59/x
  3. Step 3: Cross multiply
    70,632.75x = 97,470.32 × 41,956.59
  4. Step 4: Simplify right side
    70,632.75x = 4,089,522,043.63
  5. Step 5: Solve for x
    x = 4,089,522,043.63/70,632.75
  6. Step 6: Final answer
    x = 57,898.38

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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.