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Finding the Fourth Proportional to 1,197.48, 1,793.64 and 1,051.38

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Solution

The fourth proportional to 1,197.48, 1,793.64 and 1,051.38 is: 1,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.48 : 1,793.64 = 1,051.38 : x
  2. Step 2: Convert to fraction form
    1,197.48/1,793.64 = 1,051.38/x
  3. Step 3: Cross multiply
    1,197.48x = 1,793.64 × 1,051.38
  4. Step 4: Simplify right side
    1,197.48x = 1,885,801.17
  5. Step 5: Solve for x
    x = 1,885,801.17/1,197.48
  6. Step 6: Final answer
    x = 1,574.80

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