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Finding the Fourth Proportional to 18,075.92, 27,113.72 and 4,928.27

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Solution

The fourth proportional to 18,075.92, 27,113.72 and 4,928.27 is: 7,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.92 : 27,113.72 = 4,928.27 : x
  2. Step 2: Convert to fraction form
    18,075.92/27,113.72 = 4,928.27/x
  3. Step 3: Cross multiply
    18,075.92x = 27,113.72 × 4,928.27
  4. Step 4: Simplify right side
    18,075.92x = 133,623,572.65
  5. Step 5: Solve for x
    x = 133,623,572.65/18,075.92
  6. Step 6: Final answer
    x = 7,392.35

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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.