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Finding the Fourth Proportional to 33,412.70, 46,107.68 and 18,302.50

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Solution

The fourth proportional to 33,412.70, 46,107.68 and 18,302.50 is: 25,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.70 : 46,107.68 = 18,302.50 : x
  2. Step 2: Convert to fraction form
    33,412.70/46,107.68 = 18,302.50/x
  3. Step 3: Cross multiply
    33,412.70x = 46,107.68 × 18,302.50
  4. Step 4: Simplify right side
    33,412.70x = 843,885,813.20
  5. Step 5: Solve for x
    x = 843,885,813.20/33,412.70
  6. Step 6: Final answer
    x = 25,256.44

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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.