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Finding the Fourth Proportional to 8,881.01, 12,255.44 and 4,902.07

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Solution

The fourth proportional to 8,881.01, 12,255.44 and 4,902.07 is: 6,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.01 : 12,255.44 = 4,902.07 : x
  2. Step 2: Convert to fraction form
    8,881.01/12,255.44 = 4,902.07/x
  3. Step 3: Cross multiply
    8,881.01x = 12,255.44 × 4,902.07
  4. Step 4: Simplify right side
    8,881.01x = 60,076,938.97
  5. Step 5: Solve for x
    x = 60,076,938.97/8,881.01
  6. Step 6: Final answer
    x = 6,764.65

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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.