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Finding the Fourth Proportional to 66,795.08, 100,207.98 and 20,048.84

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Solution

The fourth proportional to 66,795.08, 100,207.98 and 20,048.84 is: 30,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,795.08 : 100,207.98 = 20,048.84 : x
  2. Step 2: Convert to fraction form
    66,795.08/100,207.98 = 20,048.84/x
  3. Step 3: Cross multiply
    66,795.08x = 100,207.98 × 20,048.84
  4. Step 4: Simplify right side
    66,795.08x = 2,009,053,757.74
  5. Step 5: Solve for x
    x = 2,009,053,757.74/66,795.08
  6. Step 6: Final answer
    x = 30,077.87

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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.