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Finding the Fourth Proportional to 14,959.85, 22,438.03 and 3,865.67

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Solution

The fourth proportional to 14,959.85, 22,438.03 and 3,865.67 is: 5,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.85 : 22,438.03 = 3,865.67 : x
  2. Step 2: Convert to fraction form
    14,959.85/22,438.03 = 3,865.67/x
  3. Step 3: Cross multiply
    14,959.85x = 22,438.03 × 3,865.67
  4. Step 4: Simplify right side
    14,959.85x = 86,738,019.43
  5. Step 5: Solve for x
    x = 86,738,019.43/14,959.85
  6. Step 6: Final answer
    x = 5,798.05

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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.