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Finding the Fourth Proportional to 16,558, 22,849.98 and 9,290.10

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Solution

The fourth proportional to 16,558, 22,849.98 and 9,290.10 is: 12,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558 : 22,849.98 = 9,290.10 : x
  2. Step 2: Convert to fraction form
    16,558/22,849.98 = 9,290.10/x
  3. Step 3: Cross multiply
    16,558x = 22,849.98 × 9,290.10
  4. Step 4: Simplify right side
    16,558x = 212,278,599.20
  5. Step 5: Solve for x
    x = 212,278,599.20/16,558
  6. Step 6: Final answer
    x = 12,820.30

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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.