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Finding the Fourth Proportional to 17,966.80, 26,950.20 and 10,061.20

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Solution

The fourth proportional to 17,966.80, 26,950.20 and 10,061.20 is: 15,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.80 : 26,950.20 = 10,061.20 : x
  2. Step 2: Convert to fraction form
    17,966.80/26,950.20 = 10,061.20/x
  3. Step 3: Cross multiply
    17,966.80x = 26,950.20 × 10,061.20
  4. Step 4: Simplify right side
    17,966.80x = 271,151,352.24
  5. Step 5: Solve for x
    x = 271,151,352.24/17,966.80
  6. Step 6: Final answer
    x = 15,091.80

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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.