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Finding the Fourth Proportional to 1,615.13, 2,228.51 and 952.01

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Solution

The fourth proportional to 1,615.13, 2,228.51 and 952.01 is: 1,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.13 : 2,228.51 = 952.01 : x
  2. Step 2: Convert to fraction form
    1,615.13/2,228.51 = 952.01/x
  3. Step 3: Cross multiply
    1,615.13x = 2,228.51 × 952.01
  4. Step 4: Simplify right side
    1,615.13x = 2,121,555.04
  5. Step 5: Solve for x
    x = 2,121,555.04/1,615.13
  6. Step 6: Final answer
    x = 1,313.55

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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.