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Finding the Fourth Proportional to 19,482.22, 29,226.68 and 7,003.54

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Solution

The fourth proportional to 19,482.22, 29,226.68 and 7,003.54 is: 10,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.22 : 29,226.68 = 7,003.54 : x
  2. Step 2: Convert to fraction form
    19,482.22/29,226.68 = 7,003.54/x
  3. Step 3: Cross multiply
    19,482.22x = 29,226.68 × 7,003.54
  4. Step 4: Simplify right side
    19,482.22x = 204,690,041.30
  5. Step 5: Solve for x
    x = 204,690,041.30/19,482.22
  6. Step 6: Final answer
    x = 10,506.51

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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.