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Finding the Fourth Proportional to 18,343.52, 27,506.88 and 5,861.12

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Solution

The fourth proportional to 18,343.52, 27,506.88 and 5,861.12 is: 8,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.52 : 27,506.88 = 5,861.12 : x
  2. Step 2: Convert to fraction form
    18,343.52/27,506.88 = 5,861.12/x
  3. Step 3: Cross multiply
    18,343.52x = 27,506.88 × 5,861.12
  4. Step 4: Simplify right side
    18,343.52x = 161,221,124.51
  5. Step 5: Solve for x
    x = 161,221,124.51/18,343.52
  6. Step 6: Final answer
    x = 8,789.00

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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.