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Finding the Fourth Proportional to 64,771.79, 97,039.29 and 46,958.29

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Solution

The fourth proportional to 64,771.79, 97,039.29 and 46,958.29 is: 70,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.79 : 97,039.29 = 46,958.29 : x
  2. Step 2: Convert to fraction form
    64,771.79/97,039.29 = 46,958.29/x
  3. Step 3: Cross multiply
    64,771.79x = 97,039.29 × 46,958.29
  4. Step 4: Simplify right side
    64,771.79x = 4,556,798,878.62
  5. Step 5: Solve for x
    x = 4,556,798,878.62/64,771.79
  6. Step 6: Final answer
    x = 70,351.60

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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.