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Finding the Fourth Proportional to 8,750.94, 12,076.56 and 4,772.28

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Solution

The fourth proportional to 8,750.94, 12,076.56 and 4,772.28 is: 6,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.94 : 12,076.56 = 4,772.28 : x
  2. Step 2: Convert to fraction form
    8,750.94/12,076.56 = 4,772.28/x
  3. Step 3: Cross multiply
    8,750.94x = 12,076.56 × 4,772.28
  4. Step 4: Simplify right side
    8,750.94x = 57,632,725.76
  5. Step 5: Solve for x
    x = 57,632,725.76/8,750.94
  6. Step 6: Final answer
    x = 6,585.89

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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.