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Finding the Fourth Proportional to 36,422.40, 54,626.40 and 17,702.40

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Solution

The fourth proportional to 36,422.40, 54,626.40 and 17,702.40 is: 26,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.40 : 54,626.40 = 17,702.40 : x
  2. Step 2: Convert to fraction form
    36,422.40/54,626.40 = 17,702.40/x
  3. Step 3: Cross multiply
    36,422.40x = 54,626.40 × 17,702.40
  4. Step 4: Simplify right side
    36,422.40x = 967,018,383.36
  5. Step 5: Solve for x
    x = 967,018,383.36/36,422.40
  6. Step 6: Final answer
    x = 26,550.10

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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.