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Finding the Fourth Proportional to 48,696, 67,200.60 and 26,340

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Solution

The fourth proportional to 48,696, 67,200.60 and 26,340 is: 36,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,696 : 67,200.60 = 26,340 : x
  2. Step 2: Convert to fraction form
    48,696/67,200.60 = 26,340/x
  3. Step 3: Cross multiply
    48,696x = 67,200.60 × 26,340
  4. Step 4: Simplify right side
    48,696x = 1,770,063,804.00
  5. Step 5: Solve for x
    x = 1,770,063,804.00/48,696
  6. Step 6: Final answer
    x = 36,349.26

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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.