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Finding the Fourth Proportional to 1,700.24, 2,346.28 and 954.28

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Solution

The fourth proportional to 1,700.24, 2,346.28 and 954.28 is: 1,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.24 : 2,346.28 = 954.28 : x
  2. Step 2: Convert to fraction form
    1,700.24/2,346.28 = 954.28/x
  3. Step 3: Cross multiply
    1,700.24x = 2,346.28 × 954.28
  4. Step 4: Simplify right side
    1,700.24x = 2,239,008.08
  5. Step 5: Solve for x
    x = 2,239,008.08/1,700.24
  6. Step 6: Final answer
    x = 1,316.88

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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.