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Finding the Fourth Proportional to 26,301, 36,296.46 and 15,123

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Solution

The fourth proportional to 26,301, 36,296.46 and 15,123 is: 20,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,301 : 36,296.46 = 15,123 : x
  2. Step 2: Convert to fraction form
    26,301/36,296.46 = 15,123/x
  3. Step 3: Cross multiply
    26,301x = 36,296.46 × 15,123
  4. Step 4: Simplify right side
    26,301x = 548,911,364.58
  5. Step 5: Solve for x
    x = 548,911,364.58/26,301
  6. Step 6: Final answer
    x = 20,870.36

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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.