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Finding the Fourth Proportional to 33,915.70, 46,804.22 and 18,808.98

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Solution

The fourth proportional to 33,915.70, 46,804.22 and 18,808.98 is: 25,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.70 : 46,804.22 = 18,808.98 : x
  2. Step 2: Convert to fraction form
    33,915.70/46,804.22 = 18,808.98/x
  3. Step 3: Cross multiply
    33,915.70x = 46,804.22 × 18,808.98
  4. Step 4: Simplify right side
    33,915.70x = 880,339,637.90
  5. Step 5: Solve for x
    x = 880,339,637.90/33,915.70
  6. Step 6: Final answer
    x = 25,956.70

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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.