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Finding the Fourth Proportional to 7,271.65, 10,901.10 and 3,754.23

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Solution

The fourth proportional to 7,271.65, 10,901.10 and 3,754.23 is: 5,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.65 : 10,901.10 = 3,754.23 : x
  2. Step 2: Convert to fraction form
    7,271.65/10,901.10 = 3,754.23/x
  3. Step 3: Cross multiply
    7,271.65x = 10,901.10 × 3,754.23
  4. Step 4: Simplify right side
    7,271.65x = 40,925,236.65
  5. Step 5: Solve for x
    x = 40,925,236.65/7,271.65
  6. Step 6: Final answer
    x = 5,628.05

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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.