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Finding the Fourth Proportional to 5,774.45, 8,602.08 and 5,415.89

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Solution

The fourth proportional to 5,774.45, 8,602.08 and 5,415.89 is: 8,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.45 : 8,602.08 = 5,415.89 : x
  2. Step 2: Convert to fraction form
    5,774.45/8,602.08 = 5,415.89/x
  3. Step 3: Cross multiply
    5,774.45x = 8,602.08 × 5,415.89
  4. Step 4: Simplify right side
    5,774.45x = 46,587,855.73
  5. Step 5: Solve for x
    x = 46,587,855.73/5,774.45
  6. Step 6: Final answer
    x = 8,067.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.