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Finding the Fourth Proportional to 4,866.50, 7,300.16 and 1,403.75

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Solution

The fourth proportional to 4,866.50, 7,300.16 and 1,403.75 is: 2,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.50 : 7,300.16 = 1,403.75 : x
  2. Step 2: Convert to fraction form
    4,866.50/7,300.16 = 1,403.75/x
  3. Step 3: Cross multiply
    4,866.50x = 7,300.16 × 1,403.75
  4. Step 4: Simplify right side
    4,866.50x = 10,247,592.58
  5. Step 5: Solve for x
    x = 10,247,592.58/4,866.50
  6. Step 6: Final answer
    x = 2,105.74

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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.