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Finding the Fourth Proportional to 4,719.98, 7,075.11 and 2,528.12

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Solution

The fourth proportional to 4,719.98, 7,075.11 and 2,528.12 is: 3,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.98 : 7,075.11 = 2,528.12 : x
  2. Step 2: Convert to fraction form
    4,719.98/7,075.11 = 2,528.12/x
  3. Step 3: Cross multiply
    4,719.98x = 7,075.11 × 2,528.12
  4. Step 4: Simplify right side
    4,719.98x = 17,886,727.09
  5. Step 5: Solve for x
    x = 17,886,727.09/4,719.98
  6. Step 6: Final answer
    x = 3,789.58

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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.