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Finding the Fourth Proportional to 1,066.02, 1,595.90 and 793.32

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Solution

The fourth proportional to 1,066.02, 1,595.90 and 793.32 is: 1,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.02 : 1,595.90 = 793.32 : x
  2. Step 2: Convert to fraction form
    1,066.02/1,595.90 = 793.32/x
  3. Step 3: Cross multiply
    1,066.02x = 1,595.90 × 793.32
  4. Step 4: Simplify right side
    1,066.02x = 1,266,059.39
  5. Step 5: Solve for x
    x = 1,266,059.39/1,066.02
  6. Step 6: Final answer
    x = 1,187.65

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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.