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Finding the Fourth Proportional to 18,484.52, 27,718.53 and 5,333.76

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Solution

The fourth proportional to 18,484.52, 27,718.53 and 5,333.76 is: 7,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.52 : 27,718.53 = 5,333.76 : x
  2. Step 2: Convert to fraction form
    18,484.52/27,718.53 = 5,333.76/x
  3. Step 3: Cross multiply
    18,484.52x = 27,718.53 × 5,333.76
  4. Step 4: Simplify right side
    18,484.52x = 147,843,986.57
  5. Step 5: Solve for x
    x = 147,843,986.57/18,484.52
  6. Step 6: Final answer
    x = 7,998.26

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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.