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Finding the Fourth Proportional to 11,706.60, 17,559.90 and 10,904.70

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Solution

The fourth proportional to 11,706.60, 17,559.90 and 10,904.70 is: 16,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.60 : 17,559.90 = 10,904.70 : x
  2. Step 2: Convert to fraction form
    11,706.60/17,559.90 = 10,904.70/x
  3. Step 3: Cross multiply
    11,706.60x = 17,559.90 × 10,904.70
  4. Step 4: Simplify right side
    11,706.60x = 191,485,441.53
  5. Step 5: Solve for x
    x = 191,485,441.53/11,706.60
  6. Step 6: Final answer
    x = 16,357.05

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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.