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Finding the Fourth Proportional to 50,955, 70,324.56 and 28,599

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Solution

The fourth proportional to 50,955, 70,324.56 and 28,599 is: 39,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955 : 70,324.56 = 28,599 : x
  2. Step 2: Convert to fraction form
    50,955/70,324.56 = 28,599/x
  3. Step 3: Cross multiply
    50,955x = 70,324.56 × 28,599
  4. Step 4: Simplify right side
    50,955x = 2,011,212,091.44
  5. Step 5: Solve for x
    x = 2,011,212,091.44/50,955
  6. Step 6: Final answer
    x = 39,470.36

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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.