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Finding the Fourth Proportional to 17,560.80, 26,341.20 and 10,994.40

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Solution

The fourth proportional to 17,560.80, 26,341.20 and 10,994.40 is: 16,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.80 : 26,341.20 = 10,994.40 : x
  2. Step 2: Convert to fraction form
    17,560.80/26,341.20 = 10,994.40/x
  3. Step 3: Cross multiply
    17,560.80x = 26,341.20 × 10,994.40
  4. Step 4: Simplify right side
    17,560.80x = 289,605,689.28
  5. Step 5: Solve for x
    x = 289,605,689.28/17,560.80
  6. Step 6: Final answer
    x = 16,491.60

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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.