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Finding the Fourth Proportional to 1,283.04, 1,923.84 and 552.24

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Solution

The fourth proportional to 1,283.04, 1,923.84 and 552.24 is: 828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.04 : 1,923.84 = 552.24 : x
  2. Step 2: Convert to fraction form
    1,283.04/1,923.84 = 552.24/x
  3. Step 3: Cross multiply
    1,283.04x = 1,923.84 × 552.24
  4. Step 4: Simplify right side
    1,283.04x = 1,062,421.40
  5. Step 5: Solve for x
    x = 1,062,421.40/1,283.04
  6. Step 6: Final answer
    x = 828.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.