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Finding the Fourth Proportional to 39,752.99, 59,629.79 and 11,673.53

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Solution

The fourth proportional to 39,752.99, 59,629.79 and 11,673.53 is: 17,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.99 : 59,629.79 = 11,673.53 : x
  2. Step 2: Convert to fraction form
    39,752.99/59,629.79 = 11,673.53/x
  3. Step 3: Cross multiply
    39,752.99x = 59,629.79 × 11,673.53
  4. Step 4: Simplify right side
    39,752.99x = 696,090,142.46
  5. Step 5: Solve for x
    x = 696,090,142.46/39,752.99
  6. Step 6: Final answer
    x = 17,510.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.