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Finding the Fourth Proportional to 23,659.48, 32,649.96 and 12,904.96

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Solution

The fourth proportional to 23,659.48, 32,649.96 and 12,904.96 is: 17,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,659.48 : 32,649.96 = 12,904.96 : x
  2. Step 2: Convert to fraction form
    23,659.48/32,649.96 = 12,904.96/x
  3. Step 3: Cross multiply
    23,659.48x = 32,649.96 × 12,904.96
  4. Step 4: Simplify right side
    23,659.48x = 421,346,427.80
  5. Step 5: Solve for x
    x = 421,346,427.80/23,659.48
  6. Step 6: Final answer
    x = 17,808.78

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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.