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Finding the Fourth Proportional to 12,482.64, 17,226.03 and 6,893.64

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Solution

The fourth proportional to 12,482.64, 17,226.03 and 6,893.64 is: 9,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.64 : 17,226.03 = 6,893.64 : x
  2. Step 2: Convert to fraction form
    12,482.64/17,226.03 = 6,893.64/x
  3. Step 3: Cross multiply
    12,482.64x = 17,226.03 × 6,893.64
  4. Step 4: Simplify right side
    12,482.64x = 118,750,049.45
  5. Step 5: Solve for x
    x = 118,750,049.45/12,482.64
  6. Step 6: Final answer
    x = 9,513.22

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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.