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Finding the Fourth Proportional to 33,460.80, 46,174.08 and 19,312.80

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Solution

The fourth proportional to 33,460.80, 46,174.08 and 19,312.80 is: 26,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,460.80 : 46,174.08 = 19,312.80 : x
  2. Step 2: Convert to fraction form
    33,460.80/46,174.08 = 19,312.80/x
  3. Step 3: Cross multiply
    33,460.80x = 46,174.08 × 19,312.80
  4. Step 4: Simplify right side
    33,460.80x = 891,750,772.22
  5. Step 5: Solve for x
    x = 891,750,772.22/33,460.80
  6. Step 6: Final answer
    x = 26,650.61

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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.