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Finding the Fourth Proportional to 5,939.76, 8,207.71 and 5,651.54

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Solution

The fourth proportional to 5,939.76, 8,207.71 and 5,651.54 is: 7,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.76 : 8,207.71 = 5,651.54 : x
  2. Step 2: Convert to fraction form
    5,939.76/8,207.71 = 5,651.54/x
  3. Step 3: Cross multiply
    5,939.76x = 8,207.71 × 5,651.54
  4. Step 4: Simplify right side
    5,939.76x = 46,386,208.77
  5. Step 5: Solve for x
    x = 46,386,208.77/5,939.76
  6. Step 6: Final answer
    x = 7,809.44

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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.