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Finding the Fourth Proportional to 13,482.93, 20,223.03 and 3,620.93

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Solution

The fourth proportional to 13,482.93, 20,223.03 and 3,620.93 is: 5,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.93 : 20,223.03 = 3,620.93 : x
  2. Step 2: Convert to fraction form
    13,482.93/20,223.03 = 3,620.93/x
  3. Step 3: Cross multiply
    13,482.93x = 20,223.03 × 3,620.93
  4. Step 4: Simplify right side
    13,482.93x = 73,226,202.24
  5. Step 5: Solve for x
    x = 73,226,202.24/13,482.93
  6. Step 6: Final answer
    x = 5,431.03

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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.