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Finding the Fourth Proportional to 1,152.48, 1,735.68 and 1,017.03

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Solution

The fourth proportional to 1,152.48, 1,735.68 and 1,017.03 is: 1,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.48 : 1,735.68 = 1,017.03 : x
  2. Step 2: Convert to fraction form
    1,152.48/1,735.68 = 1,017.03/x
  3. Step 3: Cross multiply
    1,152.48x = 1,735.68 × 1,017.03
  4. Step 4: Simplify right side
    1,152.48x = 1,765,238.63
  5. Step 5: Solve for x
    x = 1,765,238.63/1,152.48
  6. Step 6: Final answer
    x = 1,531.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.