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Finding the Fourth Proportional to 5,671.65, 7,826.70 and 3,573.75

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Solution

The fourth proportional to 5,671.65, 7,826.70 and 3,573.75 is: 4,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.65 : 7,826.70 = 3,573.75 : x
  2. Step 2: Convert to fraction form
    5,671.65/7,826.70 = 3,573.75/x
  3. Step 3: Cross multiply
    5,671.65x = 7,826.70 × 3,573.75
  4. Step 4: Simplify right side
    5,671.65x = 27,970,669.13
  5. Step 5: Solve for x
    x = 27,970,669.13/5,671.65
  6. Step 6: Final answer
    x = 4,931.66

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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.