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Finding the Fourth Proportional to 1,015.16, 1,532.27 and 1,015.16

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Solution

The fourth proportional to 1,015.16, 1,532.27 and 1,015.16 is: 1,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.16 : 1,532.27 = 1,015.16 : x
  2. Step 2: Convert to fraction form
    1,015.16/1,532.27 = 1,015.16/x
  3. Step 3: Cross multiply
    1,015.16x = 1,532.27 × 1,015.16
  4. Step 4: Simplify right side
    1,015.16x = 1,555,486.48
  5. Step 5: Solve for x
    x = 1,555,486.48/1,015.16
  6. Step 6: Final answer
    x = 1,532.27

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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.