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Finding the Fourth Proportional to 29,551.40, 44,290.16 and 18,993.32

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Solution

The fourth proportional to 29,551.40, 44,290.16 and 18,993.32 is: 28,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.40 : 44,290.16 = 18,993.32 : x
  2. Step 2: Convert to fraction form
    29,551.40/44,290.16 = 18,993.32/x
  3. Step 3: Cross multiply
    29,551.40x = 44,290.16 × 18,993.32
  4. Step 4: Simplify right side
    29,551.40x = 841,217,102.63
  5. Step 5: Solve for x
    x = 841,217,102.63/29,551.40
  6. Step 6: Final answer
    x = 28,466.24

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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.