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Finding the Fourth Proportional to 8,993.84, 13,482.54 and 3,147.26

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Solution

The fourth proportional to 8,993.84, 13,482.54 and 3,147.26 is: 4,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.84 : 13,482.54 = 3,147.26 : x
  2. Step 2: Convert to fraction form
    8,993.84/13,482.54 = 3,147.26/x
  3. Step 3: Cross multiply
    8,993.84x = 13,482.54 × 3,147.26
  4. Step 4: Simplify right side
    8,993.84x = 42,432,975.69
  5. Step 5: Solve for x
    x = 42,432,975.69/8,993.84
  6. Step 6: Final answer
    x = 4,718.01

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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.