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Finding the Fourth Proportional to 1,484, 2,220.48 and 933.62

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Solution

The fourth proportional to 1,484, 2,220.48 and 933.62 is: 1,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484 : 2,220.48 = 933.62 : x
  2. Step 2: Convert to fraction form
    1,484/2,220.48 = 933.62/x
  3. Step 3: Cross multiply
    1,484x = 2,220.48 × 933.62
  4. Step 4: Simplify right side
    1,484x = 2,073,084.54
  5. Step 5: Solve for x
    x = 2,073,084.54/1,484
  6. Step 6: Final answer
    x = 1,396.96

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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.