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Finding the Fourth Proportional to 11,151.60, 16,727.40 and 10,460.40

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Solution

The fourth proportional to 11,151.60, 16,727.40 and 10,460.40 is: 15,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.60 : 16,727.40 = 10,460.40 : x
  2. Step 2: Convert to fraction form
    11,151.60/16,727.40 = 10,460.40/x
  3. Step 3: Cross multiply
    11,151.60x = 16,727.40 × 10,460.40
  4. Step 4: Simplify right side
    11,151.60x = 174,975,294.96
  5. Step 5: Solve for x
    x = 174,975,294.96/11,151.60
  6. Step 6: Final answer
    x = 15,690.60

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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.