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Finding the Fourth Proportional to 15,869.79, 23,863.01 and 15,228.27

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Solution

The fourth proportional to 15,869.79, 23,863.01 and 15,228.27 is: 22,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.79 : 23,863.01 = 15,228.27 : x
  2. Step 2: Convert to fraction form
    15,869.79/23,863.01 = 15,228.27/x
  3. Step 3: Cross multiply
    15,869.79x = 23,863.01 × 15,228.27
  4. Step 4: Simplify right side
    15,869.79x = 363,392,283.15
  5. Step 5: Solve for x
    x = 363,392,283.15/15,869.79
  6. Step 6: Final answer
    x = 22,898.37

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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.