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Finding the Fourth Proportional to 8,534.56, 12,803.54 and 3,604.16

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Solution

The fourth proportional to 8,534.56, 12,803.54 and 3,604.16 is: 5,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.56 : 12,803.54 = 3,604.16 : x
  2. Step 2: Convert to fraction form
    8,534.56/12,803.54 = 3,604.16/x
  3. Step 3: Cross multiply
    8,534.56x = 12,803.54 × 3,604.16
  4. Step 4: Simplify right side
    8,534.56x = 46,146,006.73
  5. Step 5: Solve for x
    x = 46,146,006.73/8,534.56
  6. Step 6: Final answer
    x = 5,406.96

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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.