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Finding the Fourth Proportional to 69,350.94, 95,697 and 51,211.26

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Solution

The fourth proportional to 69,350.94, 95,697 and 51,211.26 is: 70,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.94 : 95,697 = 51,211.26 : x
  2. Step 2: Convert to fraction form
    69,350.94/95,697 = 51,211.26/x
  3. Step 3: Cross multiply
    69,350.94x = 95,697 × 51,211.26
  4. Step 4: Simplify right side
    69,350.94x = 4,900,763,948.22
  5. Step 5: Solve for x
    x = 4,900,763,948.22/69,350.94
  6. Step 6: Final answer
    x = 70,666.15

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1.5x scale

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.