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Finding the Fourth Proportional to 47,859.42, 66,043.42 and 26,344.98

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Solution

The fourth proportional to 47,859.42, 66,043.42 and 26,344.98 is: 36,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859.42 : 66,043.42 = 26,344.98 : x
  2. Step 2: Convert to fraction form
    47,859.42/66,043.42 = 26,344.98/x
  3. Step 3: Cross multiply
    47,859.42x = 66,043.42 × 26,344.98
  4. Step 4: Simplify right side
    47,859.42x = 1,739,912,513.17
  5. Step 5: Solve for x
    x = 1,739,912,513.17/47,859.42
  6. Step 6: Final answer
    x = 36,354.65

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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.