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Finding the Fourth Proportional to 13,363.19, 20,041.59 and 4,000.70

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Solution

The fourth proportional to 13,363.19, 20,041.59 and 4,000.70 is: 6,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.19 : 20,041.59 = 4,000.70 : x
  2. Step 2: Convert to fraction form
    13,363.19/20,041.59 = 4,000.70/x
  3. Step 3: Cross multiply
    13,363.19x = 20,041.59 × 4,000.70
  4. Step 4: Simplify right side
    13,363.19x = 80,180,288.91
  5. Step 5: Solve for x
    x = 80,180,288.91/13,363.19
  6. Step 6: Final answer
    x = 6,000.09

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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.