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Finding the Fourth Proportional to 17,653.68, 26,503.68 and 11,836.32

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Solution

The fourth proportional to 17,653.68, 26,503.68 and 11,836.32 is: 17,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.68 : 26,503.68 = 11,836.32 : x
  2. Step 2: Convert to fraction form
    17,653.68/26,503.68 = 11,836.32/x
  3. Step 3: Cross multiply
    17,653.68x = 26,503.68 × 11,836.32
  4. Step 4: Simplify right side
    17,653.68x = 313,706,037.66
  5. Step 5: Solve for x
    x = 313,706,037.66/17,653.68
  6. Step 6: Final answer
    x = 17,770.01

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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.