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Finding the Fourth Proportional to 47,913.76, 66,123 and 26,693

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Solution

The fourth proportional to 47,913.76, 66,123 and 26,693 is: 36,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.76 : 66,123 = 26,693 : x
  2. Step 2: Convert to fraction form
    47,913.76/66,123 = 26,693/x
  3. Step 3: Cross multiply
    47,913.76x = 66,123 × 26,693
  4. Step 4: Simplify right side
    47,913.76x = 1,765,021,239
  5. Step 5: Solve for x
    x = 1,765,021,239/47,913.76
  6. Step 6: Final answer
    x = 36,837.46

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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.