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Finding the Fourth Proportional to 5,938.36, 8,902.62 and 2,816.68

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Solution

The fourth proportional to 5,938.36, 8,902.62 and 2,816.68 is: 4,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.36 : 8,902.62 = 2,816.68 : x
  2. Step 2: Convert to fraction form
    5,938.36/8,902.62 = 2,816.68/x
  3. Step 3: Cross multiply
    5,938.36x = 8,902.62 × 2,816.68
  4. Step 4: Simplify right side
    5,938.36x = 25,075,831.70
  5. Step 5: Solve for x
    x = 25,075,831.70/5,938.36
  6. Step 6: Final answer
    x = 4,222.69

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1.5x scale

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.