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Finding the Fourth Proportional to 66,850.01, 100,275.19 and 16,930.12

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Solution

The fourth proportional to 66,850.01, 100,275.19 and 16,930.12 is: 25,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.01 : 100,275.19 = 16,930.12 : x
  2. Step 2: Convert to fraction form
    66,850.01/100,275.19 = 16,930.12/x
  3. Step 3: Cross multiply
    66,850.01x = 100,275.19 × 16,930.12
  4. Step 4: Simplify right side
    66,850.01x = 1,697,670,498.35
  5. Step 5: Solve for x
    x = 1,697,670,498.35/66,850.01
  6. Step 6: Final answer
    x = 25,395.22

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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.