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Finding the Fourth Proportional to 17,479.72, 26,170.74 and 9,445.72

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Solution

The fourth proportional to 17,479.72, 26,170.74 and 9,445.72 is: 14,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.72 : 26,170.74 = 9,445.72 : x
  2. Step 2: Convert to fraction form
    17,479.72/26,170.74 = 9,445.72/x
  3. Step 3: Cross multiply
    17,479.72x = 26,170.74 × 9,445.72
  4. Step 4: Simplify right side
    17,479.72x = 247,201,482.23
  5. Step 5: Solve for x
    x = 247,201,482.23/17,479.72
  6. Step 6: Final answer
    x = 14,142.19

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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.