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Finding the Fourth Proportional to 33,830.40, 50,702.40 and 26,000.40

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Solution

The fourth proportional to 33,830.40, 50,702.40 and 26,000.40 is: 38,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.40 : 50,702.40 = 26,000.40 : x
  2. Step 2: Convert to fraction form
    33,830.40/50,702.40 = 26,000.40/x
  3. Step 3: Cross multiply
    33,830.40x = 50,702.40 × 26,000.40
  4. Step 4: Simplify right side
    33,830.40x = 1,318,282,680.96
  5. Step 5: Solve for x
    x = 1,318,282,680.96/33,830.40
  6. Step 6: Final answer
    x = 38,967.40

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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.