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Finding the Fourth Proportional to 17,445.92, 24,080.64 and 11,860.16

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Solution

The fourth proportional to 17,445.92, 24,080.64 and 11,860.16 is: 16,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.92 : 24,080.64 = 11,860.16 : x
  2. Step 2: Convert to fraction form
    17,445.92/24,080.64 = 11,860.16/x
  3. Step 3: Cross multiply
    17,445.92x = 24,080.64 × 11,860.16
  4. Step 4: Simplify right side
    17,445.92x = 285,600,243.30
  5. Step 5: Solve for x
    x = 285,600,243.30/17,445.92
  6. Step 6: Final answer
    x = 16,370.60

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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.