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Finding the Fourth Proportional to 23,607.68, 35,489.28 and 19,719.68

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Solution

The fourth proportional to 23,607.68, 35,489.28 and 19,719.68 is: 29,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,607.68 : 35,489.28 = 19,719.68 : x
  2. Step 2: Convert to fraction form
    23,607.68/35,489.28 = 19,719.68/x
  3. Step 3: Cross multiply
    23,607.68x = 35,489.28 × 19,719.68
  4. Step 4: Simplify right side
    23,607.68x = 699,837,245.03
  5. Step 5: Solve for x
    x = 699,837,245.03/23,607.68
  6. Step 6: Final answer
    x = 29,644.47

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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.