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Finding the Fourth Proportional to 1,025.16, 1,530.15 and 952.92

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Solution

The fourth proportional to 1,025.16, 1,530.15 and 952.92 is: 1,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.16 : 1,530.15 = 952.92 : x
  2. Step 2: Convert to fraction form
    1,025.16/1,530.15 = 952.92/x
  3. Step 3: Cross multiply
    1,025.16x = 1,530.15 × 952.92
  4. Step 4: Simplify right side
    1,025.16x = 1,458,110.54
  5. Step 5: Solve for x
    x = 1,458,110.54/1,025.16
  6. Step 6: Final answer
    x = 1,422.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.