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Finding the Fourth Proportional to 1,699.10, 2,344.56 and 953.02

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Solution

The fourth proportional to 1,699.10, 2,344.56 and 953.02 is: 1,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.10 : 2,344.56 = 953.02 : x
  2. Step 2: Convert to fraction form
    1,699.10/2,344.56 = 953.02/x
  3. Step 3: Cross multiply
    1,699.10x = 2,344.56 × 953.02
  4. Step 4: Simplify right side
    1,699.10x = 2,234,412.57
  5. Step 5: Solve for x
    x = 2,234,412.57/1,699.10
  6. Step 6: Final answer
    x = 1,315.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.