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Finding the Fourth Proportional to 1,384.86, 1,911.14 and 795.58

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Solution

The fourth proportional to 1,384.86, 1,911.14 and 795.58 is: 1,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.86 : 1,911.14 = 795.58 : x
  2. Step 2: Convert to fraction form
    1,384.86/1,911.14 = 795.58/x
  3. Step 3: Cross multiply
    1,384.86x = 1,911.14 × 795.58
  4. Step 4: Simplify right side
    1,384.86x = 1,520,464.76
  5. Step 5: Solve for x
    x = 1,520,464.76/1,384.86
  6. Step 6: Final answer
    x = 1,097.92

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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.