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Finding the Fourth Proportional to 17,627.40, 26,404.30 and 8,275.40

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Solution

The fourth proportional to 17,627.40, 26,404.30 and 8,275.40 is: 12,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.40 : 26,404.30 = 8,275.40 : x
  2. Step 2: Convert to fraction form
    17,627.40/26,404.30 = 8,275.40/x
  3. Step 3: Cross multiply
    17,627.40x = 26,404.30 × 8,275.40
  4. Step 4: Simplify right side
    17,627.40x = 218,506,144.22
  5. Step 5: Solve for x
    x = 218,506,144.22/17,627.40
  6. Step 6: Final answer
    x = 12,395.82

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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.