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Finding the Fourth Proportional to 1,775.96, 2,664.71 and 953.27

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Solution

The fourth proportional to 1,775.96, 2,664.71 and 953.27 is: 1,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.96 : 2,664.71 = 953.27 : x
  2. Step 2: Convert to fraction form
    1,775.96/2,664.71 = 953.27/x
  3. Step 3: Cross multiply
    1,775.96x = 2,664.71 × 953.27
  4. Step 4: Simplify right side
    1,775.96x = 2,540,200.36
  5. Step 5: Solve for x
    x = 2,540,200.36/1,775.96
  6. Step 6: Final answer
    x = 1,430.32

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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.