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Finding the Fourth Proportional to 1,456.68, 2,009.82 and 925.86

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Solution

The fourth proportional to 1,456.68, 2,009.82 and 925.86 is: 1,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.68 : 2,009.82 = 925.86 : x
  2. Step 2: Convert to fraction form
    1,456.68/2,009.82 = 925.86/x
  3. Step 3: Cross multiply
    1,456.68x = 2,009.82 × 925.86
  4. Step 4: Simplify right side
    1,456.68x = 1,860,811.95
  5. Step 5: Solve for x
    x = 1,860,811.95/1,456.68
  6. Step 6: Final answer
    x = 1,277.43

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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.