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Finding the Fourth Proportional to 8,588.88, 11,852.34 and 4,811.88

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Solution

The fourth proportional to 8,588.88, 11,852.34 and 4,811.88 is: 6,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.88 : 11,852.34 = 4,811.88 : x
  2. Step 2: Convert to fraction form
    8,588.88/11,852.34 = 4,811.88/x
  3. Step 3: Cross multiply
    8,588.88x = 11,852.34 × 4,811.88
  4. Step 4: Simplify right side
    8,588.88x = 57,032,037.80
  5. Step 5: Solve for x
    x = 57,032,037.80/8,588.88
  6. Step 6: Final answer
    x = 6,640.22

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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.