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Finding the Fourth Proportional to 1,385.01, 1,911.48 and 795.53

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Solution

The fourth proportional to 1,385.01, 1,911.48 and 795.53 is: 1,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385.01 : 1,911.48 = 795.53 : x
  2. Step 2: Convert to fraction form
    1,385.01/1,911.48 = 795.53/x
  3. Step 3: Cross multiply
    1,385.01x = 1,911.48 × 795.53
  4. Step 4: Simplify right side
    1,385.01x = 1,520,644.46
  5. Step 5: Solve for x
    x = 1,520,644.46/1,385.01
  6. Step 6: Final answer
    x = 1,097.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.