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Finding the Fourth Proportional to 14,913.70, 22,370.04 and 3,820.50

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Solution

The fourth proportional to 14,913.70, 22,370.04 and 3,820.50 is: 5,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.70 : 22,370.04 = 3,820.50 : x
  2. Step 2: Convert to fraction form
    14,913.70/22,370.04 = 3,820.50/x
  3. Step 3: Cross multiply
    14,913.70x = 22,370.04 × 3,820.50
  4. Step 4: Simplify right side
    14,913.70x = 85,464,662.79
  5. Step 5: Solve for x
    x = 85,464,662.79/14,913.70
  6. Step 6: Final answer
    x = 5,730.61

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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.