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Finding the Fourth Proportional to 8,751.56, 12,077.25 and 4,772.66

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Solution

The fourth proportional to 8,751.56, 12,077.25 and 4,772.66 is: 6,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.56 : 12,077.25 = 4,772.66 : x
  2. Step 2: Convert to fraction form
    8,751.56/12,077.25 = 4,772.66/x
  3. Step 3: Cross multiply
    8,751.56x = 12,077.25 × 4,772.66
  4. Step 4: Simplify right side
    8,751.56x = 57,640,607.99
  5. Step 5: Solve for x
    x = 57,640,607.99/8,751.56
  6. Step 6: Final answer
    x = 6,586.32

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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.