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Finding the Fourth Proportional to 1,752.17, 2,417.99 and 955.49

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Solution

The fourth proportional to 1,752.17, 2,417.99 and 955.49 is: 1,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.17 : 2,417.99 = 955.49 : x
  2. Step 2: Convert to fraction form
    1,752.17/2,417.99 = 955.49/x
  3. Step 3: Cross multiply
    1,752.17x = 2,417.99 × 955.49
  4. Step 4: Simplify right side
    1,752.17x = 2,310,365.27
  5. Step 5: Solve for x
    x = 2,310,365.27/1,752.17
  6. Step 6: Final answer
    x = 1,318.57

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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.