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Finding the Fourth Proportional to 8,573.94, 12,862.35 and 2,732.34

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Solution

The fourth proportional to 8,573.94, 12,862.35 and 2,732.34 is: 4,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.94 : 12,862.35 = 2,732.34 : x
  2. Step 2: Convert to fraction form
    8,573.94/12,862.35 = 2,732.34/x
  3. Step 3: Cross multiply
    8,573.94x = 12,862.35 × 2,732.34
  4. Step 4: Simplify right side
    8,573.94x = 35,144,313.40
  5. Step 5: Solve for x
    x = 35,144,313.40/8,573.94
  6. Step 6: Final answer
    x = 4,098.97

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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.