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Finding the Fourth Proportional to 26,423.50, 36,464.43 and 15,245.50

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Solution

The fourth proportional to 26,423.50, 36,464.43 and 15,245.50 is: 21,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.50 : 36,464.43 = 15,245.50 : x
  2. Step 2: Convert to fraction form
    26,423.50/36,464.43 = 15,245.50/x
  3. Step 3: Cross multiply
    26,423.50x = 36,464.43 × 15,245.50
  4. Step 4: Simplify right side
    26,423.50x = 555,918,467.57
  5. Step 5: Solve for x
    x = 555,918,467.57/26,423.50
  6. Step 6: Final answer
    x = 21,038.79

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1.5x scale

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.