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Finding the Fourth Proportional to 17,675.70, 26,512.94 and 4,528.20

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Solution

The fourth proportional to 17,675.70, 26,512.94 and 4,528.20 is: 6,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.70 : 26,512.94 = 4,528.20 : x
  2. Step 2: Convert to fraction form
    17,675.70/26,512.94 = 4,528.20/x
  3. Step 3: Cross multiply
    17,675.70x = 26,512.94 × 4,528.20
  4. Step 4: Simplify right side
    17,675.70x = 120,055,894.91
  5. Step 5: Solve for x
    x = 120,055,894.91/17,675.70
  6. Step 6: Final answer
    x = 6,792.14

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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.