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Finding the Fourth Proportional to 1,025.16, 1,534.62 and 733.02

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Solution

The fourth proportional to 1,025.16, 1,534.62 and 733.02 is: 1,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.16 : 1,534.62 = 733.02 : x
  2. Step 2: Convert to fraction form
    1,025.16/1,534.62 = 733.02/x
  3. Step 3: Cross multiply
    1,025.16x = 1,534.62 × 733.02
  4. Step 4: Simplify right side
    1,025.16x = 1,124,907.15
  5. Step 5: Solve for x
    x = 1,124,907.15/1,025.16
  6. Step 6: Final answer
    x = 1,097.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.