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Finding the Fourth Proportional to 69,762.87, 96,268.50 and 37,931.49

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Solution

The fourth proportional to 69,762.87, 96,268.50 and 37,931.49 is: 52,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762.87 : 96,268.50 = 37,931.49 : x
  2. Step 2: Convert to fraction form
    69,762.87/96,268.50 = 37,931.49/x
  3. Step 3: Cross multiply
    69,762.87x = 96,268.50 × 37,931.49
  4. Step 4: Simplify right side
    69,762.87x = 3,651,607,645.07
  5. Step 5: Solve for x
    x = 3,651,607,645.07/69,762.87
  6. Step 6: Final answer
    x = 52,343.14

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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.