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Finding the Fourth Proportional to 69,316.38, 95,657.72 and 39,102.30

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Solution

The fourth proportional to 69,316.38, 95,657.72 and 39,102.30 is: 53,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,316.38 : 95,657.72 = 39,102.30 : x
  2. Step 2: Convert to fraction form
    69,316.38/95,657.72 = 39,102.30/x
  3. Step 3: Cross multiply
    69,316.38x = 95,657.72 × 39,102.30
  4. Step 4: Simplify right side
    69,316.38x = 3,740,436,669.24
  5. Step 5: Solve for x
    x = 3,740,436,669.24/69,316.38
  6. Step 6: Final answer
    x = 53,961.80

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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.