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Finding the Fourth Proportional to 34,383.40, 51,579.90 and 14,661.80

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Solution

The fourth proportional to 34,383.40, 51,579.90 and 14,661.80 is: 21,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,383.40 : 51,579.90 = 14,661.80 : x
  2. Step 2: Convert to fraction form
    34,383.40/51,579.90 = 14,661.80/x
  3. Step 3: Cross multiply
    34,383.40x = 51,579.90 × 14,661.80
  4. Step 4: Simplify right side
    34,383.40x = 756,254,177.82
  5. Step 5: Solve for x
    x = 756,254,177.82/34,383.40
  6. Step 6: Final answer
    x = 21,994.75

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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.