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Finding the Fourth Proportional to 7,216.93, 10,805.86 and 3,746.89

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Solution

The fourth proportional to 7,216.93, 10,805.86 and 3,746.89 is: 5,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.93 : 10,805.86 = 3,746.89 : x
  2. Step 2: Convert to fraction form
    7,216.93/10,805.86 = 3,746.89/x
  3. Step 3: Cross multiply
    7,216.93x = 10,805.86 × 3,746.89
  4. Step 4: Simplify right side
    7,216.93x = 40,488,365.89
  5. Step 5: Solve for x
    x = 40,488,365.89/7,216.93
  6. Step 6: Final answer
    x = 5,610.19

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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.