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Finding the Fourth Proportional to 33,555.51, 46,311.08 and 21,653.51

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Solution

The fourth proportional to 33,555.51, 46,311.08 and 21,653.51 is: 29,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,555.51 : 46,311.08 = 21,653.51 : x
  2. Step 2: Convert to fraction form
    33,555.51/46,311.08 = 21,653.51/x
  3. Step 3: Cross multiply
    33,555.51x = 46,311.08 × 21,653.51
  4. Step 4: Simplify right side
    33,555.51x = 1,002,797,094.07
  5. Step 5: Solve for x
    x = 1,002,797,094.07/33,555.51
  6. Step 6: Final answer
    x = 29,884.72

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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.