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Finding the Fourth Proportional to 66,683.40, 100,103.24 and 52,652.88

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Solution

The fourth proportional to 66,683.40, 100,103.24 and 52,652.88 is: 79,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683.40 : 100,103.24 = 52,652.88 : x
  2. Step 2: Convert to fraction form
    66,683.40/100,103.24 = 52,652.88/x
  3. Step 3: Cross multiply
    66,683.40x = 100,103.24 × 52,652.88
  4. Step 4: Simplify right side
    66,683.40x = 5,270,723,620.07
  5. Step 5: Solve for x
    x = 5,270,723,620.07/66,683.40
  6. Step 6: Final answer
    x = 79,041.02

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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.