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Finding the Fourth Proportional to 8,852.78, 13,279.47 and 3,008.63

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Solution

The fourth proportional to 8,852.78, 13,279.47 and 3,008.63 is: 4,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.78 : 13,279.47 = 3,008.63 : x
  2. Step 2: Convert to fraction form
    8,852.78/13,279.47 = 3,008.63/x
  3. Step 3: Cross multiply
    8,852.78x = 13,279.47 × 3,008.63
  4. Step 4: Simplify right side
    8,852.78x = 39,952,945.43
  5. Step 5: Solve for x
    x = 39,952,945.43/8,852.78
  6. Step 6: Final answer
    x = 4,513.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.