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Finding the Fourth Proportional to 1,482.33, 2,223.54 and 832.56

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Solution

The fourth proportional to 1,482.33, 2,223.54 and 832.56 is: 1,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.33 : 2,223.54 = 832.56 : x
  2. Step 2: Convert to fraction form
    1,482.33/2,223.54 = 832.56/x
  3. Step 3: Cross multiply
    1,482.33x = 2,223.54 × 832.56
  4. Step 4: Simplify right side
    1,482.33x = 1,851,230.46
  5. Step 5: Solve for x
    x = 1,851,230.46/1,482.33
  6. Step 6: Final answer
    x = 1,248.87

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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.