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Finding the Fourth Proportional to 1,700.67, 2,549.36 and 930.63

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Solution

The fourth proportional to 1,700.67, 2,549.36 and 930.63 is: 1,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.67 : 2,549.36 = 930.63 : x
  2. Step 2: Convert to fraction form
    1,700.67/2,549.36 = 930.63/x
  3. Step 3: Cross multiply
    1,700.67x = 2,549.36 × 930.63
  4. Step 4: Simplify right side
    1,700.67x = 2,372,510.90
  5. Step 5: Solve for x
    x = 2,372,510.90/1,700.67
  6. Step 6: Final answer
    x = 1,395.04

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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.