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Finding the Fourth Proportional to 6,392.43, 8,820.46 and 5,875.69

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Solution

The fourth proportional to 6,392.43, 8,820.46 and 5,875.69 is: 8,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.43 : 8,820.46 = 5,875.69 : x
  2. Step 2: Convert to fraction form
    6,392.43/8,820.46 = 5,875.69/x
  3. Step 3: Cross multiply
    6,392.43x = 8,820.46 × 5,875.69
  4. Step 4: Simplify right side
    6,392.43x = 51,826,265.66
  5. Step 5: Solve for x
    x = 51,826,265.66/6,392.43
  6. Step 6: Final answer
    x = 8,107.44

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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.