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Finding the Fourth Proportional to 11,060.40, 16,590.60 and 10,914.60

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Solution

The fourth proportional to 11,060.40, 16,590.60 and 10,914.60 is: 16,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.40 : 16,590.60 = 10,914.60 : x
  2. Step 2: Convert to fraction form
    11,060.40/16,590.60 = 10,914.60/x
  3. Step 3: Cross multiply
    11,060.40x = 16,590.60 × 10,914.60
  4. Step 4: Simplify right side
    11,060.40x = 181,079,762.76
  5. Step 5: Solve for x
    x = 181,079,762.76/11,060.40
  6. Step 6: Final answer
    x = 16,371.90

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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.