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Finding the Fourth Proportional to 8,597.96, 12,898.83 and 2,755.16

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Solution

The fourth proportional to 8,597.96, 12,898.83 and 2,755.16 is: 4,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.96 : 12,898.83 = 2,755.16 : x
  2. Step 2: Convert to fraction form
    8,597.96/12,898.83 = 2,755.16/x
  3. Step 3: Cross multiply
    8,597.96x = 12,898.83 × 2,755.16
  4. Step 4: Simplify right side
    8,597.96x = 35,538,340.46
  5. Step 5: Solve for x
    x = 35,538,340.46/8,597.96
  6. Step 6: Final answer
    x = 4,133.35

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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.