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Finding the Fourth Proportional to 30,687.37, 42,352.59 and 22,752.19

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Solution

The fourth proportional to 30,687.37, 42,352.59 and 22,752.19 is: 31,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.37 : 42,352.59 = 22,752.19 : x
  2. Step 2: Convert to fraction form
    30,687.37/42,352.59 = 22,752.19/x
  3. Step 3: Cross multiply
    30,687.37x = 42,352.59 × 22,752.19
  4. Step 4: Simplify right side
    30,687.37x = 963,614,174.67
  5. Step 5: Solve for x
    x = 963,614,174.67/30,687.37
  6. Step 6: Final answer
    x = 31,401.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.