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Finding the Fourth Proportional to 20,532.04, 30,798.04 and 4,949.67

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Solution

The fourth proportional to 20,532.04, 30,798.04 and 4,949.67 is: 7,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.04 : 30,798.04 = 4,949.67 : x
  2. Step 2: Convert to fraction form
    20,532.04/30,798.04 = 4,949.67/x
  3. Step 3: Cross multiply
    20,532.04x = 30,798.04 × 4,949.67
  4. Step 4: Simplify right side
    20,532.04x = 152,440,134.65
  5. Step 5: Solve for x
    x = 152,440,134.65/20,532.04
  6. Step 6: Final answer
    x = 7,424.50

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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.