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Finding the Fourth Proportional to 29,905.10, 44,802.30 and 17,431.10

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Solution

The fourth proportional to 29,905.10, 44,802.30 and 17,431.10 is: 26,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,905.10 : 44,802.30 = 17,431.10 : x
  2. Step 2: Convert to fraction form
    29,905.10/44,802.30 = 17,431.10/x
  3. Step 3: Cross multiply
    29,905.10x = 44,802.30 × 17,431.10
  4. Step 4: Simplify right side
    29,905.10x = 780,953,371.53
  5. Step 5: Solve for x
    x = 780,953,371.53/29,905.10
  6. Step 6: Final answer
    x = 26,114.39

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1.5x scale

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.