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Finding the Fourth Proportional to 18,551.16, 27,833.58 and 8,693.64

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Solution

The fourth proportional to 18,551.16, 27,833.58 and 8,693.64 is: 13,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.16 : 27,833.58 = 8,693.64 : x
  2. Step 2: Convert to fraction form
    18,551.16/27,833.58 = 8,693.64/x
  3. Step 3: Cross multiply
    18,551.16x = 27,833.58 × 8,693.64
  4. Step 4: Simplify right side
    18,551.16x = 241,975,124.43
  5. Step 5: Solve for x
    x = 241,975,124.43/18,551.16
  6. Step 6: Final answer
    x = 13,043.67

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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.