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Finding the Fourth Proportional to 52,552.86, 72,522 and 28,678.92

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Solution

The fourth proportional to 52,552.86, 72,522 and 28,678.92 is: 39,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.86 : 72,522 = 28,678.92 : x
  2. Step 2: Convert to fraction form
    52,552.86/72,522 = 28,678.92/x
  3. Step 3: Cross multiply
    52,552.86x = 72,522 × 28,678.92
  4. Step 4: Simplify right side
    52,552.86x = 2,079,852,636.24
  5. Step 5: Solve for x
    x = 2,079,852,636.24/52,552.86
  6. Step 6: Final answer
    x = 39,576.39

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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.