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Finding the Fourth Proportional to 33,772, 46,605.36 and 18,870.88

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Solution

The fourth proportional to 33,772, 46,605.36 and 18,870.88 is: 26,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,772 : 46,605.36 = 18,870.88 : x
  2. Step 2: Convert to fraction form
    33,772/46,605.36 = 18,870.88/x
  3. Step 3: Cross multiply
    33,772x = 46,605.36 × 18,870.88
  4. Step 4: Simplify right side
    33,772x = 879,484,155.92
  5. Step 5: Solve for x
    x = 879,484,155.92/33,772
  6. Step 6: Final answer
    x = 26,041.81

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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.