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Finding the Fourth Proportional to 18,048.96, 27,069.54 and 4,901.46

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Solution

The fourth proportional to 18,048.96, 27,069.54 and 4,901.46 is: 7,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.96 : 27,069.54 = 4,901.46 : x
  2. Step 2: Convert to fraction form
    18,048.96/27,069.54 = 4,901.46/x
  3. Step 3: Cross multiply
    18,048.96x = 27,069.54 × 4,901.46
  4. Step 4: Simplify right side
    18,048.96x = 132,680,267.53
  5. Step 5: Solve for x
    x = 132,680,267.53/18,048.96
  6. Step 6: Final answer
    x = 7,351.13

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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.