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Finding the Fourth Proportional to 18,168.71, 27,252.72 and 5,688.77

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Solution

The fourth proportional to 18,168.71, 27,252.72 and 5,688.77 is: 8,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.71 : 27,252.72 = 5,688.77 : x
  2. Step 2: Convert to fraction form
    18,168.71/27,252.72 = 5,688.77/x
  3. Step 3: Cross multiply
    18,168.71x = 27,252.72 × 5,688.77
  4. Step 4: Simplify right side
    18,168.71x = 155,034,319.69
  5. Step 5: Solve for x
    x = 155,034,319.69/18,168.71
  6. Step 6: Final answer
    x = 8,533.04

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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.