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Finding the Fourth Proportional to 8,376.03, 12,583.61 and 7,903.14

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Solution

The fourth proportional to 8,376.03, 12,583.61 and 7,903.14 is: 11,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.03 : 12,583.61 = 7,903.14 : x
  2. Step 2: Convert to fraction form
    8,376.03/12,583.61 = 7,903.14/x
  3. Step 3: Cross multiply
    8,376.03x = 12,583.61 × 7,903.14
  4. Step 4: Simplify right side
    8,376.03x = 99,449,992.02
  5. Step 5: Solve for x
    x = 99,449,992.02/8,376.03
  6. Step 6: Final answer
    x = 11,873.17

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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.