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Finding the Fourth Proportional to 38,069.19, 57,084.07 and 20,295.07

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Solution

The fourth proportional to 38,069.19, 57,084.07 and 20,295.07 is: 30,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,069.19 : 57,084.07 = 20,295.07 : x
  2. Step 2: Convert to fraction form
    38,069.19/57,084.07 = 20,295.07/x
  3. Step 3: Cross multiply
    38,069.19x = 57,084.07 × 20,295.07
  4. Step 4: Simplify right side
    38,069.19x = 1,158,525,064.33
  5. Step 5: Solve for x
    x = 1,158,525,064.33/38,069.19
  6. Step 6: Final answer
    x = 30,432.09

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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.