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Finding the Fourth Proportional to 17,847.56, 24,630.56 and 9,890.68

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Solution

The fourth proportional to 17,847.56, 24,630.56 and 9,890.68 is: 13,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847.56 : 24,630.56 = 9,890.68 : x
  2. Step 2: Convert to fraction form
    17,847.56/24,630.56 = 9,890.68/x
  3. Step 3: Cross multiply
    17,847.56x = 24,630.56 × 9,890.68
  4. Step 4: Simplify right side
    17,847.56x = 243,612,987.18
  5. Step 5: Solve for x
    x = 243,612,987.18/17,847.56
  6. Step 6: Final answer
    x = 13,649.65

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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.