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Finding the Fourth Proportional to 33,305.90, 49,994.42 and 14,339.93

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Solution

The fourth proportional to 33,305.90, 49,994.42 and 14,339.93 is: 21,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.90 : 49,994.42 = 14,339.93 : x
  2. Step 2: Convert to fraction form
    33,305.90/49,994.42 = 14,339.93/x
  3. Step 3: Cross multiply
    33,305.90x = 49,994.42 × 14,339.93
  4. Step 4: Simplify right side
    33,305.90x = 716,916,536.48
  5. Step 5: Solve for x
    x = 716,916,536.48/33,305.90
  6. Step 6: Final answer
    x = 21,525.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.