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Finding the Fourth Proportional to 4,984.87, 7,477.59 and 2,516.80

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Solution

The fourth proportional to 4,984.87, 7,477.59 and 2,516.80 is: 3,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.87 : 7,477.59 = 2,516.80 : x
  2. Step 2: Convert to fraction form
    4,984.87/7,477.59 = 2,516.80/x
  3. Step 3: Cross multiply
    4,984.87x = 7,477.59 × 2,516.80
  4. Step 4: Simplify right side
    4,984.87x = 18,819,598.51
  5. Step 5: Solve for x
    x = 18,819,598.51/4,984.87
  6. Step 6: Final answer
    x = 3,775.34

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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.