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Finding the Fourth Proportional to 8,523.75, 11,762.96 and 4,797.75

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Solution

The fourth proportional to 8,523.75, 11,762.96 and 4,797.75 is: 6,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.75 : 11,762.96 = 4,797.75 : x
  2. Step 2: Convert to fraction form
    8,523.75/11,762.96 = 4,797.75/x
  3. Step 3: Cross multiply
    8,523.75x = 11,762.96 × 4,797.75
  4. Step 4: Simplify right side
    8,523.75x = 56,435,717.35
  5. Step 5: Solve for x
    x = 56,435,717.35/8,523.75
  6. Step 6: Final answer
    x = 6,621.00

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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.