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Finding the Fourth Proportional to 53,362.99, 73,641.86 and 29,489.86

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Solution

The fourth proportional to 53,362.99, 73,641.86 and 29,489.86 is: 40,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,362.99 : 73,641.86 = 29,489.86 : x
  2. Step 2: Convert to fraction form
    53,362.99/73,641.86 = 29,489.86/x
  3. Step 3: Cross multiply
    53,362.99x = 73,641.86 × 29,489.86
  4. Step 4: Simplify right side
    53,362.99x = 2,171,688,141.54
  5. Step 5: Solve for x
    x = 2,171,688,141.54/53,362.99
  6. Step 6: Final answer
    x = 40,696.52

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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.