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Finding the Fourth Proportional to 17,213.94, 25,822.08 and 5,526.45

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Solution

The fourth proportional to 17,213.94, 25,822.08 and 5,526.45 is: 8,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.94 : 25,822.08 = 5,526.45 : x
  2. Step 2: Convert to fraction form
    17,213.94/25,822.08 = 5,526.45/x
  3. Step 3: Cross multiply
    17,213.94x = 25,822.08 × 5,526.45
  4. Step 4: Simplify right side
    17,213.94x = 142,704,434.02
  5. Step 5: Solve for x
    x = 142,704,434.02/17,213.94
  6. Step 6: Final answer
    x = 8,290.05

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1.5x scale

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.