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Finding the Fourth Proportional to 58,569.76, 80,838.48 and 53,846.56

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Solution

The fourth proportional to 58,569.76, 80,838.48 and 53,846.56 is: 74,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,569.76 : 80,838.48 = 53,846.56 : x
  2. Step 2: Convert to fraction form
    58,569.76/80,838.48 = 53,846.56/x
  3. Step 3: Cross multiply
    58,569.76x = 80,838.48 × 53,846.56
  4. Step 4: Simplify right side
    58,569.76x = 4,352,874,063.63
  5. Step 5: Solve for x
    x = 4,352,874,063.63/58,569.76
  6. Step 6: Final answer
    x = 74,319.48

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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.