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Finding the Fourth Proportional to 66,000.70, 98,920.05 and 44,940.70

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Solution

The fourth proportional to 66,000.70, 98,920.05 and 44,940.70 is: 67,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.70 : 98,920.05 = 44,940.70 : x
  2. Step 2: Convert to fraction form
    66,000.70/98,920.05 = 44,940.70/x
  3. Step 3: Cross multiply
    66,000.70x = 98,920.05 × 44,940.70
  4. Step 4: Simplify right side
    66,000.70x = 4,445,536,291.04
  5. Step 5: Solve for x
    x = 4,445,536,291.04/66,000.70
  6. Step 6: Final answer
    x = 67,355.90

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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.