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Finding the Fourth Proportional to 7,902.96, 10,905.13 and 4,365.96

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Solution

The fourth proportional to 7,902.96, 10,905.13 and 4,365.96 is: 6,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.96 : 10,905.13 = 4,365.96 : x
  2. Step 2: Convert to fraction form
    7,902.96/10,905.13 = 4,365.96/x
  3. Step 3: Cross multiply
    7,902.96x = 10,905.13 × 4,365.96
  4. Step 4: Simplify right side
    7,902.96x = 47,611,361.37
  5. Step 5: Solve for x
    x = 47,611,361.37/7,902.96
  6. Step 6: Final answer
    x = 6,024.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.