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Finding the Fourth Proportional to 47,446.63, 71,146.05 and 15,845.56

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Solution

The fourth proportional to 47,446.63, 71,146.05 and 15,845.56 is: 23,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.63 : 71,146.05 = 15,845.56 : x
  2. Step 2: Convert to fraction form
    47,446.63/71,146.05 = 15,845.56/x
  3. Step 3: Cross multiply
    47,446.63x = 71,146.05 × 15,845.56
  4. Step 4: Simplify right side
    47,446.63x = 1,127,349,004.04
  5. Step 5: Solve for x
    x = 1,127,349,004.04/47,446.63
  6. Step 6: Final answer
    x = 23,760.36

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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.