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Finding the Fourth Proportional to 4,208.76, 6,308.76 and 2,357.16

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Solution

The fourth proportional to 4,208.76, 6,308.76 and 2,357.16 is: 3,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.76 : 6,308.76 = 2,357.16 : x
  2. Step 2: Convert to fraction form
    4,208.76/6,308.76 = 2,357.16/x
  3. Step 3: Cross multiply
    4,208.76x = 6,308.76 × 2,357.16
  4. Step 4: Simplify right side
    4,208.76x = 14,870,756.72
  5. Step 5: Solve for x
    x = 14,870,756.72/4,208.76
  6. Step 6: Final answer
    x = 3,533.29

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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.