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Finding the Fourth Proportional to 3,053.28, 4,579.33 and 973.29

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Solution

The fourth proportional to 3,053.28, 4,579.33 and 973.29 is: 1,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.28 : 4,579.33 = 973.29 : x
  2. Step 2: Convert to fraction form
    3,053.28/4,579.33 = 973.29/x
  3. Step 3: Cross multiply
    3,053.28x = 4,579.33 × 973.29
  4. Step 4: Simplify right side
    3,053.28x = 4,457,016.10
  5. Step 5: Solve for x
    x = 4,457,016.10/3,053.28
  6. Step 6: Final answer
    x = 1,459.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.