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Finding the Fourth Proportional to 60,823.89, 83,907.83 and 38,151.51

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Solution

The fourth proportional to 60,823.89, 83,907.83 and 38,151.51 is: 52,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,823.89 : 83,907.83 = 38,151.51 : x
  2. Step 2: Convert to fraction form
    60,823.89/83,907.83 = 38,151.51/x
  3. Step 3: Cross multiply
    60,823.89x = 83,907.83 × 38,151.51
  4. Step 4: Simplify right side
    60,823.89x = 3,201,210,224.57
  5. Step 5: Solve for x
    x = 3,201,210,224.57/60,823.89
  6. Step 6: Final answer
    x = 52,630.80

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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.