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Finding the Fourth Proportional to 8,751.08, 12,076.50 and 4,772.12

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Solution

The fourth proportional to 8,751.08, 12,076.50 and 4,772.12 is: 6,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.08 : 12,076.50 = 4,772.12 : x
  2. Step 2: Convert to fraction form
    8,751.08/12,076.50 = 4,772.12/x
  3. Step 3: Cross multiply
    8,751.08x = 12,076.50 × 4,772.12
  4. Step 4: Simplify right side
    8,751.08x = 57,630,507.18
  5. Step 5: Solve for x
    x = 57,630,507.18/8,751.08
  6. Step 6: Final answer
    x = 6,585.53

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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.