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Finding the Fourth Proportional to 36,483.20, 54,702.90 and 14,270.10

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Solution

The fourth proportional to 36,483.20, 54,702.90 and 14,270.10 is: 21,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.20 : 54,702.90 = 14,270.10 : x
  2. Step 2: Convert to fraction form
    36,483.20/54,702.90 = 14,270.10/x
  3. Step 3: Cross multiply
    36,483.20x = 54,702.90 × 14,270.10
  4. Step 4: Simplify right side
    36,483.20x = 780,615,853.29
  5. Step 5: Solve for x
    x = 780,615,853.29/36,483.20
  6. Step 6: Final answer
    x = 21,396.58

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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.