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Finding the Fourth Proportional to 1,125.36, 1,552.23 and 1,032.44

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Solution

The fourth proportional to 1,125.36, 1,552.23 and 1,032.44 is: 1,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.36 : 1,552.23 = 1,032.44 : x
  2. Step 2: Convert to fraction form
    1,125.36/1,552.23 = 1,032.44/x
  3. Step 3: Cross multiply
    1,125.36x = 1,552.23 × 1,032.44
  4. Step 4: Simplify right side
    1,125.36x = 1,602,576.58
  5. Step 5: Solve for x
    x = 1,602,576.58/1,125.36
  6. Step 6: Final answer
    x = 1,424.06

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1.5x scale

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.