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Finding the Fourth Proportional to 4,814.76, 7,210.98 and 3,513

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Solution

The fourth proportional to 4,814.76, 7,210.98 and 3,513 is: 5,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.76 : 7,210.98 = 3,513 : x
  2. Step 2: Convert to fraction form
    4,814.76/7,210.98 = 3,513/x
  3. Step 3: Cross multiply
    4,814.76x = 7,210.98 × 3,513
  4. Step 4: Simplify right side
    4,814.76x = 25,332,172.74
  5. Step 5: Solve for x
    x = 25,332,172.74/4,814.76
  6. Step 6: Final answer
    x = 5,261.36

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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.