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Finding the Fourth Proportional to 13,245.93, 19,855.94 and 6,325.29

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Solution

The fourth proportional to 13,245.93, 19,855.94 and 6,325.29 is: 9,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.93 : 19,855.94 = 6,325.29 : x
  2. Step 2: Convert to fraction form
    13,245.93/19,855.94 = 6,325.29/x
  3. Step 3: Cross multiply
    13,245.93x = 19,855.94 × 6,325.29
  4. Step 4: Simplify right side
    13,245.93x = 125,594,547.10
  5. Step 5: Solve for x
    x = 125,594,547.10/13,245.93
  6. Step 6: Final answer
    x = 9,481.75

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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.