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Finding the Fourth Proportional to 28,836, 43,254.04 and 6,948

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Solution

The fourth proportional to 28,836, 43,254.04 and 6,948 is: 10,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836 : 43,254.04 = 6,948 : x
  2. Step 2: Convert to fraction form
    28,836/43,254.04 = 6,948/x
  3. Step 3: Cross multiply
    28,836x = 43,254.04 × 6,948
  4. Step 4: Simplify right side
    28,836x = 300,529,069.92
  5. Step 5: Solve for x
    x = 300,529,069.92/28,836
  6. Step 6: Final answer
    x = 10,422.01

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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.