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Finding the Fourth Proportional to 16,294.35, 22,486.21 and 8,842.35

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Solution

The fourth proportional to 16,294.35, 22,486.21 and 8,842.35 is: 12,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.35 : 22,486.21 = 8,842.35 : x
  2. Step 2: Convert to fraction form
    16,294.35/22,486.21 = 8,842.35/x
  3. Step 3: Cross multiply
    16,294.35x = 22,486.21 × 8,842.35
  4. Step 4: Simplify right side
    16,294.35x = 198,830,962.05
  5. Step 5: Solve for x
    x = 198,830,962.05/16,294.35
  6. Step 6: Final answer
    x = 12,202.45

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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.