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Finding the Fourth Proportional to 21,865.60, 32,814.60 and 16,033.60

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Solution

The fourth proportional to 21,865.60, 32,814.60 and 16,033.60 is: 24,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.60 : 32,814.60 = 16,033.60 : x
  2. Step 2: Convert to fraction form
    21,865.60/32,814.60 = 16,033.60/x
  3. Step 3: Cross multiply
    21,865.60x = 32,814.60 × 16,033.60
  4. Step 4: Simplify right side
    21,865.60x = 526,136,170.56
  5. Step 5: Solve for x
    x = 526,136,170.56/21,865.60
  6. Step 6: Final answer
    x = 24,062.28

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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.