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Finding the Fourth Proportional to 4,976.33, 7,465.16 and 1,688.54

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Solution

The fourth proportional to 4,976.33, 7,465.16 and 1,688.54 is: 2,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.33 : 7,465.16 = 1,688.54 : x
  2. Step 2: Convert to fraction form
    4,976.33/7,465.16 = 1,688.54/x
  3. Step 3: Cross multiply
    4,976.33x = 7,465.16 × 1,688.54
  4. Step 4: Simplify right side
    4,976.33x = 12,605,175.50
  5. Step 5: Solve for x
    x = 12,605,175.50/4,976.33
  6. Step 6: Final answer
    x = 2,533.03

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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.