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Finding the Fourth Proportional to 35,581.81, 49,094.81 and 21,246.29

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Solution

The fourth proportional to 35,581.81, 49,094.81 and 21,246.29 is: 29,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.81 : 49,094.81 = 21,246.29 : x
  2. Step 2: Convert to fraction form
    35,581.81/49,094.81 = 21,246.29/x
  3. Step 3: Cross multiply
    35,581.81x = 49,094.81 × 21,246.29
  4. Step 4: Simplify right side
    35,581.81x = 1,043,082,413.79
  5. Step 5: Solve for x
    x = 1,043,082,413.79/35,581.81
  6. Step 6: Final answer
    x = 29,315.04

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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.