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Finding the Fourth Proportional to 6,813.54, 9,403.02 and 4,160.52

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Solution

The fourth proportional to 6,813.54, 9,403.02 and 4,160.52 is: 5,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.54 : 9,403.02 = 4,160.52 : x
  2. Step 2: Convert to fraction form
    6,813.54/9,403.02 = 4,160.52/x
  3. Step 3: Cross multiply
    6,813.54x = 9,403.02 × 4,160.52
  4. Step 4: Simplify right side
    6,813.54x = 39,121,452.77
  5. Step 5: Solve for x
    x = 39,121,452.77/6,813.54
  6. Step 6: Final answer
    x = 5,741.72

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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.