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Finding the Fourth Proportional to 7,404.54, 11,106.81 and 3,019.11

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Solution

The fourth proportional to 7,404.54, 11,106.81 and 3,019.11 is: 4,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.54 : 11,106.81 = 3,019.11 : x
  2. Step 2: Convert to fraction form
    7,404.54/11,106.81 = 3,019.11/x
  3. Step 3: Cross multiply
    7,404.54x = 11,106.81 × 3,019.11
  4. Step 4: Simplify right side
    7,404.54x = 33,532,681.14
  5. Step 5: Solve for x
    x = 33,532,681.14/7,404.54
  6. Step 6: Final answer
    x = 4,528.67

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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.