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Finding the Fourth Proportional to 8,506.82, 12,762.82 and 4,349.75

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Solution

The fourth proportional to 8,506.82, 12,762.82 and 4,349.75 is: 6,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.82 : 12,762.82 = 4,349.75 : x
  2. Step 2: Convert to fraction form
    8,506.82/12,762.82 = 4,349.75/x
  3. Step 3: Cross multiply
    8,506.82x = 12,762.82 × 4,349.75
  4. Step 4: Simplify right side
    8,506.82x = 55,515,001.61
  5. Step 5: Solve for x
    x = 55,515,001.61/8,506.82
  6. Step 6: Final answer
    x = 6,525.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.