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Finding the Fourth Proportional to 11,086.64, 16,642.21 and 11,045.53

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Solution

The fourth proportional to 11,086.64, 16,642.21 and 11,045.53 is: 16,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.64 : 16,642.21 = 11,045.53 : x
  2. Step 2: Convert to fraction form
    11,086.64/16,642.21 = 11,045.53/x
  3. Step 3: Cross multiply
    11,086.64x = 16,642.21 × 11,045.53
  4. Step 4: Simplify right side
    11,086.64x = 183,821,960.60
  5. Step 5: Solve for x
    x = 183,821,960.60/11,086.64
  6. Step 6: Final answer
    x = 16,580.50

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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.