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Finding the Fourth Proportional to 4,903.36, 7,352.84 and 1,440.88

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Solution

The fourth proportional to 4,903.36, 7,352.84 and 1,440.88 is: 2,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.36 : 7,352.84 = 1,440.88 : x
  2. Step 2: Convert to fraction form
    4,903.36/7,352.84 = 1,440.88/x
  3. Step 3: Cross multiply
    4,903.36x = 7,352.84 × 1,440.88
  4. Step 4: Simplify right side
    4,903.36x = 10,594,560.10
  5. Step 5: Solve for x
    x = 10,594,560.10/4,903.36
  6. Step 6: Final answer
    x = 2,160.67

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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.