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Finding the Fourth Proportional to 47,416.79, 71,127.90 and 17,834.87

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Solution

The fourth proportional to 47,416.79, 71,127.90 and 17,834.87 is: 26,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416.79 : 71,127.90 = 17,834.87 : x
  2. Step 2: Convert to fraction form
    47,416.79/71,127.90 = 17,834.87/x
  3. Step 3: Cross multiply
    47,416.79x = 71,127.90 × 17,834.87
  4. Step 4: Simplify right side
    47,416.79x = 1,268,556,494.23
  5. Step 5: Solve for x
    x = 1,268,556,494.23/47,416.79
  6. Step 6: Final answer
    x = 26,753.32

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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.