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Finding the Fourth Proportional to 8,463.84, 12,635.19 and 7,356.98

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Solution

The fourth proportional to 8,463.84, 12,635.19 and 7,356.98 is: 10,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.84 : 12,635.19 = 7,356.98 : x
  2. Step 2: Convert to fraction form
    8,463.84/12,635.19 = 7,356.98/x
  3. Step 3: Cross multiply
    8,463.84x = 12,635.19 × 7,356.98
  4. Step 4: Simplify right side
    8,463.84x = 92,956,840.13
  5. Step 5: Solve for x
    x = 92,956,840.13/8,463.84
  6. Step 6: Final answer
    x = 10,982.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.