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Finding the Fourth Proportional to 17,612.64, 26,418.96 and 9,404.64

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Solution

The fourth proportional to 17,612.64, 26,418.96 and 9,404.64 is: 14,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.64 : 26,418.96 = 9,404.64 : x
  2. Step 2: Convert to fraction form
    17,612.64/26,418.96 = 9,404.64/x
  3. Step 3: Cross multiply
    17,612.64x = 26,418.96 × 9,404.64
  4. Step 4: Simplify right side
    17,612.64x = 248,460,807.97
  5. Step 5: Solve for x
    x = 248,460,807.97/17,612.64
  6. Step 6: Final answer
    x = 14,106.96

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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.