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Finding the Fourth Proportional to 64,893.50, 97,350.78 and 25,429.22

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Solution

The fourth proportional to 64,893.50, 97,350.78 and 25,429.22 is: 38,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.50 : 97,350.78 = 25,429.22 : x
  2. Step 2: Convert to fraction form
    64,893.50/97,350.78 = 25,429.22/x
  3. Step 3: Cross multiply
    64,893.50x = 97,350.78 × 25,429.22
  4. Step 4: Simplify right side
    64,893.50x = 2,475,554,401.79
  5. Step 5: Solve for x
    x = 2,475,554,401.79/64,893.50
  6. Step 6: Final answer
    x = 38,147.96

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1.5x scale

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.