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Finding the Fourth Proportional to 2,482.62, 3,724.74 and 922.76

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Solution

The fourth proportional to 2,482.62, 3,724.74 and 922.76 is: 1,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.62 : 3,724.74 = 922.76 : x
  2. Step 2: Convert to fraction form
    2,482.62/3,724.74 = 922.76/x
  3. Step 3: Cross multiply
    2,482.62x = 3,724.74 × 922.76
  4. Step 4: Simplify right side
    2,482.62x = 3,437,041.08
  5. Step 5: Solve for x
    x = 3,437,041.08/2,482.62
  6. Step 6: Final answer
    x = 1,384.44

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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.