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Finding the Fourth Proportional to 23,655.96, 32,659.02 and 15,709.08

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Solution

The fourth proportional to 23,655.96, 32,659.02 and 15,709.08 is: 21,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,655.96 : 32,659.02 = 15,709.08 : x
  2. Step 2: Convert to fraction form
    23,655.96/32,659.02 = 15,709.08/x
  3. Step 3: Cross multiply
    23,655.96x = 32,659.02 × 15,709.08
  4. Step 4: Simplify right side
    23,655.96x = 513,043,157.90
  5. Step 5: Solve for x
    x = 513,043,157.90/23,655.96
  6. Step 6: Final answer
    x = 21,687.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.