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Finding the Fourth Proportional to 4,615.69, 6,369.65 and 2,519.81

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Solution

The fourth proportional to 4,615.69, 6,369.65 and 2,519.81 is: 3,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.69 : 6,369.65 = 2,519.81 : x
  2. Step 2: Convert to fraction form
    4,615.69/6,369.65 = 2,519.81/x
  3. Step 3: Cross multiply
    4,615.69x = 6,369.65 × 2,519.81
  4. Step 4: Simplify right side
    4,615.69x = 16,050,320.54
  5. Step 5: Solve for x
    x = 16,050,320.54/4,615.69
  6. Step 6: Final answer
    x = 3,477.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.