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Finding the Fourth Proportional to 15,105.70, 22,661.70 and 4,576.48

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Solution

The fourth proportional to 15,105.70, 22,661.70 and 4,576.48 is: 6,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.70 : 22,661.70 = 4,576.48 : x
  2. Step 2: Convert to fraction form
    15,105.70/22,661.70 = 4,576.48/x
  3. Step 3: Cross multiply
    15,105.70x = 22,661.70 × 4,576.48
  4. Step 4: Simplify right side
    15,105.70x = 103,710,816.82
  5. Step 5: Solve for x
    x = 103,710,816.82/15,105.70
  6. Step 6: Final answer
    x = 6,865.67

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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.