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Finding the Fourth Proportional to 8,600.01, 12,898.40 and 3,053.13

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Solution

The fourth proportional to 8,600.01, 12,898.40 and 3,053.13 is: 4,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.01 : 12,898.40 = 3,053.13 : x
  2. Step 2: Convert to fraction form
    8,600.01/12,898.40 = 3,053.13/x
  3. Step 3: Cross multiply
    8,600.01x = 12,898.40 × 3,053.13
  4. Step 4: Simplify right side
    8,600.01x = 39,380,476.73
  5. Step 5: Solve for x
    x = 39,380,476.73/8,600.01
  6. Step 6: Final answer
    x = 4,579.12

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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.