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Finding the Fourth Proportional to 4,648.69, 6,975.43 and 3,089.77

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Solution

The fourth proportional to 4,648.69, 6,975.43 and 3,089.77 is: 4,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.69 : 6,975.43 = 3,089.77 : x
  2. Step 2: Convert to fraction form
    4,648.69/6,975.43 = 3,089.77/x
  3. Step 3: Cross multiply
    4,648.69x = 6,975.43 × 3,089.77
  4. Step 4: Simplify right side
    4,648.69x = 21,552,474.35
  5. Step 5: Solve for x
    x = 21,552,474.35/4,648.69
  6. Step 6: Final answer
    x = 4,636.25

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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.