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Finding the Fourth Proportional to 7,833.67, 10,813.86 and 4,689.25

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Solution

The fourth proportional to 7,833.67, 10,813.86 and 4,689.25 is: 6,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.67 : 10,813.86 = 4,689.25 : x
  2. Step 2: Convert to fraction form
    7,833.67/10,813.86 = 4,689.25/x
  3. Step 3: Cross multiply
    7,833.67x = 10,813.86 × 4,689.25
  4. Step 4: Simplify right side
    7,833.67x = 50,708,893.01
  5. Step 5: Solve for x
    x = 50,708,893.01/7,833.67
  6. Step 6: Final answer
    x = 6,473.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.