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Finding the Fourth Proportional to 17,600.90, 26,420.55 and 9,824.90

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Solution

The fourth proportional to 17,600.90, 26,420.55 and 9,824.90 is: 14,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.90 : 26,420.55 = 9,824.90 : x
  2. Step 2: Convert to fraction form
    17,600.90/26,420.55 = 9,824.90/x
  3. Step 3: Cross multiply
    17,600.90x = 26,420.55 × 9,824.90
  4. Step 4: Simplify right side
    17,600.90x = 259,579,261.70
  5. Step 5: Solve for x
    x = 259,579,261.70/17,600.90
  6. Step 6: Final answer
    x = 14,748.07

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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.