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Finding the Fourth Proportional to 17,063.64, 25,592.64 and 12,118.32

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Solution

The fourth proportional to 17,063.64, 25,592.64 and 12,118.32 is: 18,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.64 : 25,592.64 = 12,118.32 : x
  2. Step 2: Convert to fraction form
    17,063.64/25,592.64 = 12,118.32/x
  3. Step 3: Cross multiply
    17,063.64x = 25,592.64 × 12,118.32
  4. Step 4: Simplify right side
    17,063.64x = 310,139,801.16
  5. Step 5: Solve for x
    x = 310,139,801.16/17,063.64
  6. Step 6: Final answer
    x = 18,175.48

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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.