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Finding the Fourth Proportional to 23,157.60, 34,752.60 and 14,857.80

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Solution

The fourth proportional to 23,157.60, 34,752.60 and 14,857.80 is: 22,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.60 : 34,752.60 = 14,857.80 : x
  2. Step 2: Convert to fraction form
    23,157.60/34,752.60 = 14,857.80/x
  3. Step 3: Cross multiply
    23,157.60x = 34,752.60 × 14,857.80
  4. Step 4: Simplify right side
    23,157.60x = 516,347,180.28
  5. Step 5: Solve for x
    x = 516,347,180.28/23,157.60
  6. Step 6: Final answer
    x = 22,297.09

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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.