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Finding the Fourth Proportional to 1,710.18, 2,566.02 and 930.75

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Solution

The fourth proportional to 1,710.18, 2,566.02 and 930.75 is: 1,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.18 : 2,566.02 = 930.75 : x
  2. Step 2: Convert to fraction form
    1,710.18/2,566.02 = 930.75/x
  3. Step 3: Cross multiply
    1,710.18x = 2,566.02 × 930.75
  4. Step 4: Simplify right side
    1,710.18x = 2,388,323.12
  5. Step 5: Solve for x
    x = 2,388,323.12/1,710.18
  6. Step 6: Final answer
    x = 1,396.53

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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.