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Finding the Fourth Proportional to 1,025.00, 1,532.06 and 892.20

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Solution

The fourth proportional to 1,025.00, 1,532.06 and 892.20 is: 1,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.00 : 1,532.06 = 892.20 : x
  2. Step 2: Convert to fraction form
    1,025.00/1,532.06 = 892.20/x
  3. Step 3: Cross multiply
    1,025.00x = 1,532.06 × 892.20
  4. Step 4: Simplify right side
    1,025.00x = 1,366,904.96
  5. Step 5: Solve for x
    x = 1,366,904.96/1,025.00
  6. Step 6: Final answer
    x = 1,333.57

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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.