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Finding the Fourth Proportional to 14,836.70, 22,253.61 and 3,892.70

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Solution

The fourth proportional to 14,836.70, 22,253.61 and 3,892.70 is: 5,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.70 : 22,253.61 = 3,892.70 : x
  2. Step 2: Convert to fraction form
    14,836.70/22,253.61 = 3,892.70/x
  3. Step 3: Cross multiply
    14,836.70x = 22,253.61 × 3,892.70
  4. Step 4: Simplify right side
    14,836.70x = 86,626,627.65
  5. Step 5: Solve for x
    x = 86,626,627.65/14,836.70
  6. Step 6: Final answer
    x = 5,838.67

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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.