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Finding the Fourth Proportional to 953.01, 1,428.94 and 733.08

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Solution

The fourth proportional to 953.01, 1,428.94 and 733.08 is: 1,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.01 : 1,428.94 = 733.08 : x
  2. Step 2: Convert to fraction form
    953.01/1,428.94 = 733.08/x
  3. Step 3: Cross multiply
    953.01x = 1,428.94 × 733.08
  4. Step 4: Simplify right side
    953.01x = 1,047,527.34
  5. Step 5: Solve for x
    x = 1,047,527.34/953.01
  6. Step 6: Final answer
    x = 1,099.18

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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.