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Finding the Fourth Proportional to 49,897.40, 68,741.44 and 34,762.68

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Solution

The fourth proportional to 49,897.40, 68,741.44 and 34,762.68 is: 47,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.40 : 68,741.44 = 34,762.68 : x
  2. Step 2: Convert to fraction form
    49,897.40/68,741.44 = 34,762.68/x
  3. Step 3: Cross multiply
    49,897.40x = 68,741.44 × 34,762.68
  4. Step 4: Simplify right side
    49,897.40x = 2,389,636,594.55
  5. Step 5: Solve for x
    x = 2,389,636,594.55/49,897.40
  6. Step 6: Final answer
    x = 47,891.01

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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.