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Finding the Fourth Proportional to 64,771.90, 97,039.48 and 46,958.41

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Solution

The fourth proportional to 64,771.90, 97,039.48 and 46,958.41 is: 70,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.90 : 97,039.48 = 46,958.41 : x
  2. Step 2: Convert to fraction form
    64,771.90/97,039.48 = 46,958.41/x
  3. Step 3: Cross multiply
    64,771.90x = 97,039.48 × 46,958.41
  4. Step 4: Simplify right side
    64,771.90x = 4,556,819,688.03
  5. Step 5: Solve for x
    x = 4,556,819,688.03/64,771.90
  6. Step 6: Final answer
    x = 70,351.80

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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.