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Finding the Fourth Proportional to 18,354.57, 27,533.88 and 5,871.66

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Solution

The fourth proportional to 18,354.57, 27,533.88 and 5,871.66 is: 8,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.57 : 27,533.88 = 5,871.66 : x
  2. Step 2: Convert to fraction form
    18,354.57/27,533.88 = 5,871.66/x
  3. Step 3: Cross multiply
    18,354.57x = 27,533.88 × 5,871.66
  4. Step 4: Simplify right side
    18,354.57x = 161,669,581.84
  5. Step 5: Solve for x
    x = 161,669,581.84/18,354.57
  6. Step 6: Final answer
    x = 8,808.14

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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.