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Finding the Fourth Proportional to 1,124.33, 1,551.60 and 652.26

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Solution

The fourth proportional to 1,124.33, 1,551.60 and 652.26 is: 900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.33 : 1,551.60 = 652.26 : x
  2. Step 2: Convert to fraction form
    1,124.33/1,551.60 = 652.26/x
  3. Step 3: Cross multiply
    1,124.33x = 1,551.60 × 652.26
  4. Step 4: Simplify right side
    1,124.33x = 1,012,046.62
  5. Step 5: Solve for x
    x = 1,012,046.62/1,124.33
  6. Step 6: Final answer
    x = 900.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.