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Finding the Fourth Proportional to 33,343.68, 46,018.47 and 21,868.23

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Solution

The fourth proportional to 33,343.68, 46,018.47 and 21,868.23 is: 30,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,343.68 : 46,018.47 = 21,868.23 : x
  2. Step 2: Convert to fraction form
    33,343.68/46,018.47 = 21,868.23/x
  3. Step 3: Cross multiply
    33,343.68x = 46,018.47 × 21,868.23
  4. Step 4: Simplify right side
    33,343.68x = 1,006,342,376.87
  5. Step 5: Solve for x
    x = 1,006,342,376.87/33,343.68
  6. Step 6: Final answer
    x = 30,180.90

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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.