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Finding the Fourth Proportional to 8,502.55, 11,733.36 and 4,725.65

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Solution

The fourth proportional to 8,502.55, 11,733.36 and 4,725.65 is: 6,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.55 : 11,733.36 = 4,725.65 : x
  2. Step 2: Convert to fraction form
    8,502.55/11,733.36 = 4,725.65/x
  3. Step 3: Cross multiply
    8,502.55x = 11,733.36 × 4,725.65
  4. Step 4: Simplify right side
    8,502.55x = 55,447,799.74
  5. Step 5: Solve for x
    x = 55,447,799.74/8,502.55
  6. Step 6: Final answer
    x = 6,521.32

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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.