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Finding the Fourth Proportional to 62,267.28, 93,400.54 and 28,969

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Solution

The fourth proportional to 62,267.28, 93,400.54 and 28,969 is: 43,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,267.28 : 93,400.54 = 28,969 : x
  2. Step 2: Convert to fraction form
    62,267.28/93,400.54 = 28,969/x
  3. Step 3: Cross multiply
    62,267.28x = 93,400.54 × 28,969
  4. Step 4: Simplify right side
    62,267.28x = 2,705,720,243.26
  5. Step 5: Solve for x
    x = 2,705,720,243.26/62,267.28
  6. Step 6: Final answer
    x = 43,453.32

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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.