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Finding the Fourth Proportional to 1,482.96, 2,222.01 and 994.53

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Solution

The fourth proportional to 1,482.96, 2,222.01 and 994.53 is: 1,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.96 : 2,222.01 = 994.53 : x
  2. Step 2: Convert to fraction form
    1,482.96/2,222.01 = 994.53/x
  3. Step 3: Cross multiply
    1,482.96x = 2,222.01 × 994.53
  4. Step 4: Simplify right side
    1,482.96x = 2,209,855.61
  5. Step 5: Solve for x
    x = 2,209,855.61/1,482.96
  6. Step 6: Final answer
    x = 1,490.17

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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.