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Finding the Fourth Proportional to 39,036, 53,854.98 and 25,614.66

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Solution

The fourth proportional to 39,036, 53,854.98 and 25,614.66 is: 35,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036 : 53,854.98 = 25,614.66 : x
  2. Step 2: Convert to fraction form
    39,036/53,854.98 = 25,614.66/x
  3. Step 3: Cross multiply
    39,036x = 53,854.98 × 25,614.66
  4. Step 4: Simplify right side
    39,036x = 1,379,477,002.01
  5. Step 5: Solve for x
    x = 1,379,477,002.01/39,036
  6. Step 6: Final answer
    x = 35,338.58

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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.