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Finding the Fourth Proportional to 62,357.56, 93,541.08 and 20,804.56

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Solution

The fourth proportional to 62,357.56, 93,541.08 and 20,804.56 is: 31,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,357.56 : 93,541.08 = 20,804.56 : x
  2. Step 2: Convert to fraction form
    62,357.56/93,541.08 = 20,804.56/x
  3. Step 3: Cross multiply
    62,357.56x = 93,541.08 × 20,804.56
  4. Step 4: Simplify right side
    62,357.56x = 1,946,081,011.32
  5. Step 5: Solve for x
    x = 1,946,081,011.32/62,357.56
  6. Step 6: Final answer
    x = 31,208.42

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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.