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Finding the Fourth Proportional to 1,147.01, 1,582.07 and 793.08

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Solution

The fourth proportional to 1,147.01, 1,582.07 and 793.08 is: 1,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.01 : 1,582.07 = 793.08 : x
  2. Step 2: Convert to fraction form
    1,147.01/1,582.07 = 793.08/x
  3. Step 3: Cross multiply
    1,147.01x = 1,582.07 × 793.08
  4. Step 4: Simplify right side
    1,147.01x = 1,254,704.11
  5. Step 5: Solve for x
    x = 1,254,704.11/1,147.01
  6. Step 6: Final answer
    x = 1,093.90

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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.