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Finding the Fourth Proportional to 66,756.30, 100,110.15 and 33,465.30

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Solution

The fourth proportional to 66,756.30, 100,110.15 and 33,465.30 is: 50,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.30 : 100,110.15 = 33,465.30 : x
  2. Step 2: Convert to fraction form
    66,756.30/100,110.15 = 33,465.30/x
  3. Step 3: Cross multiply
    66,756.30x = 100,110.15 × 33,465.30
  4. Step 4: Simplify right side
    66,756.30x = 3,350,216,202.80
  5. Step 5: Solve for x
    x = 3,350,216,202.80/66,756.30
  6. Step 6: Final answer
    x = 50,185.77

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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.