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Finding the Fourth Proportional to 7,176.66, 10,771.49 and 3,019.74

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Solution

The fourth proportional to 7,176.66, 10,771.49 and 3,019.74 is: 4,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.66 : 10,771.49 = 3,019.74 : x
  2. Step 2: Convert to fraction form
    7,176.66/10,771.49 = 3,019.74/x
  3. Step 3: Cross multiply
    7,176.66x = 10,771.49 × 3,019.74
  4. Step 4: Simplify right side
    7,176.66x = 32,527,084.11
  5. Step 5: Solve for x
    x = 32,527,084.11/7,176.66
  6. Step 6: Final answer
    x = 4,532.34

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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.