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Finding the Fourth Proportional to 53,597.40, 73,960.74 and 29,721.84

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Solution

The fourth proportional to 53,597.40, 73,960.74 and 29,721.84 is: 41,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.40 : 73,960.74 = 29,721.84 : x
  2. Step 2: Convert to fraction form
    53,597.40/73,960.74 = 29,721.84/x
  3. Step 3: Cross multiply
    53,597.40x = 73,960.74 × 29,721.84
  4. Step 4: Simplify right side
    53,597.40x = 2,198,249,280.56
  5. Step 5: Solve for x
    x = 2,198,249,280.56/53,597.40
  6. Step 6: Final answer
    x = 41,014.10

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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.