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Finding the Fourth Proportional to 8,600.51, 12,899.14 and 3,053.63

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Solution

The fourth proportional to 8,600.51, 12,899.14 and 3,053.63 is: 4,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.51 : 12,899.14 = 3,053.63 : x
  2. Step 2: Convert to fraction form
    8,600.51/12,899.14 = 3,053.63/x
  3. Step 3: Cross multiply
    8,600.51x = 12,899.14 × 3,053.63
  4. Step 4: Simplify right side
    8,600.51x = 39,389,200.88
  5. Step 5: Solve for x
    x = 39,389,200.88/8,600.51
  6. Step 6: Final answer
    x = 4,579.87

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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.