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Finding the Fourth Proportional to 29,644.24, 40,869.02 and 19,015.42

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Solution

The fourth proportional to 29,644.24, 40,869.02 and 19,015.42 is: 26,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.24 : 40,869.02 = 19,015.42 : x
  2. Step 2: Convert to fraction form
    29,644.24/40,869.02 = 19,015.42/x
  3. Step 3: Cross multiply
    29,644.24x = 40,869.02 × 19,015.42
  4. Step 4: Simplify right side
    29,644.24x = 777,141,580.29
  5. Step 5: Solve for x
    x = 777,141,580.29/29,644.24
  6. Step 6: Final answer
    x = 26,215.60

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1.5x scale

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.