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Finding the Fourth Proportional to 29,343.72, 44,015.12 and 11,813.10

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Solution

The fourth proportional to 29,343.72, 44,015.12 and 11,813.10 is: 17,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.72 : 44,015.12 = 11,813.10 : x
  2. Step 2: Convert to fraction form
    29,343.72/44,015.12 = 11,813.10/x
  3. Step 3: Cross multiply
    29,343.72x = 44,015.12 × 11,813.10
  4. Step 4: Simplify right side
    29,343.72x = 519,955,014.07
  5. Step 5: Solve for x
    x = 519,955,014.07/29,343.72
  6. Step 6: Final answer
    x = 17,719.46

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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.