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Finding the Fourth Proportional to 53,795.76, 80,693.51 and 16,355.67

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Solution

The fourth proportional to 53,795.76, 80,693.51 and 16,355.67 is: 24,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.76 : 80,693.51 = 16,355.67 : x
  2. Step 2: Convert to fraction form
    53,795.76/80,693.51 = 16,355.67/x
  3. Step 3: Cross multiply
    53,795.76x = 80,693.51 × 16,355.67
  4. Step 4: Simplify right side
    53,795.76x = 1,319,796,338.92
  5. Step 5: Solve for x
    x = 1,319,796,338.92/53,795.76
  6. Step 6: Final answer
    x = 24,533.46

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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.