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Finding the Fourth Proportional to 8,393.07, 11,581.52 and 4,855.71

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Solution

The fourth proportional to 8,393.07, 11,581.52 and 4,855.71 is: 6,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.07 : 11,581.52 = 4,855.71 : x
  2. Step 2: Convert to fraction form
    8,393.07/11,581.52 = 4,855.71/x
  3. Step 3: Cross multiply
    8,393.07x = 11,581.52 × 4,855.71
  4. Step 4: Simplify right side
    8,393.07x = 56,236,478.20
  5. Step 5: Solve for x
    x = 56,236,478.20/8,393.07
  6. Step 6: Final answer
    x = 6,700.35

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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.