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Finding the Fourth Proportional to 8,255.63, 11,392.77 and 4,529.63

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Solution

The fourth proportional to 8,255.63, 11,392.77 and 4,529.63 is: 6,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.63 : 11,392.77 = 4,529.63 : x
  2. Step 2: Convert to fraction form
    8,255.63/11,392.77 = 4,529.63/x
  3. Step 3: Cross multiply
    8,255.63x = 11,392.77 × 4,529.63
  4. Step 4: Simplify right side
    8,255.63x = 51,604,975.81
  5. Step 5: Solve for x
    x = 51,604,975.81/8,255.63
  6. Step 6: Final answer
    x = 6,250.89

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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.