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Finding the Fourth Proportional to 7,300.68, 10,075 and 4,157.08

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Solution

The fourth proportional to 7,300.68, 10,075 and 4,157.08 is: 5,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.68 : 10,075 = 4,157.08 : x
  2. Step 2: Convert to fraction form
    7,300.68/10,075 = 4,157.08/x
  3. Step 3: Cross multiply
    7,300.68x = 10,075 × 4,157.08
  4. Step 4: Simplify right side
    7,300.68x = 41,882,581
  5. Step 5: Solve for x
    x = 41,882,581/7,300.68
  6. Step 6: Final answer
    x = 5,736.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.