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Finding the Fourth Proportional to 17,627.60, 26,488.20 and 9,736.40

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Solution

The fourth proportional to 17,627.60, 26,488.20 and 9,736.40 is: 14,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.60 : 26,488.20 = 9,736.40 : x
  2. Step 2: Convert to fraction form
    17,627.60/26,488.20 = 9,736.40/x
  3. Step 3: Cross multiply
    17,627.60x = 26,488.20 × 9,736.40
  4. Step 4: Simplify right side
    17,627.60x = 257,899,710.48
  5. Step 5: Solve for x
    x = 257,899,710.48/17,627.60
  6. Step 6: Final answer
    x = 14,630.45

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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.