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Finding the Fourth Proportional to 1,751.26, 2,416.70 and 954.59

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Solution

The fourth proportional to 1,751.26, 2,416.70 and 954.59 is: 1,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.26 : 2,416.70 = 954.59 : x
  2. Step 2: Convert to fraction form
    1,751.26/2,416.70 = 954.59/x
  3. Step 3: Cross multiply
    1,751.26x = 2,416.70 × 954.59
  4. Step 4: Simplify right side
    1,751.26x = 2,306,954.00
  5. Step 5: Solve for x
    x = 2,306,954.00/1,751.26
  6. Step 6: Final answer
    x = 1,317.31

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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.