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Finding the Fourth Proportional to 34,390.84, 51,593.84 and 11,019.64

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Solution

The fourth proportional to 34,390.84, 51,593.84 and 11,019.64 is: 16,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.84 : 51,593.84 = 11,019.64 : x
  2. Step 2: Convert to fraction form
    34,390.84/51,593.84 = 11,019.64/x
  3. Step 3: Cross multiply
    34,390.84x = 51,593.84 × 11,019.64
  4. Step 4: Simplify right side
    34,390.84x = 568,545,543.02
  5. Step 5: Solve for x
    x = 568,545,543.02/34,390.84
  6. Step 6: Final answer
    x = 16,531.89

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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.