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Finding the Fourth Proportional to 11,354.60, 17,005.46 and 10,960.40

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Solution

The fourth proportional to 11,354.60, 17,005.46 and 10,960.40 is: 16,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.60 : 17,005.46 = 10,960.40 : x
  2. Step 2: Convert to fraction form
    11,354.60/17,005.46 = 10,960.40/x
  3. Step 3: Cross multiply
    11,354.60x = 17,005.46 × 10,960.40
  4. Step 4: Simplify right side
    11,354.60x = 186,386,503.95
  5. Step 5: Solve for x
    x = 186,386,503.95/11,354.60
  6. Step 6: Final answer
    x = 16,415.07

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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.