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Finding the Fourth Proportional to 5,750.16, 8,625.60 and 1,854.72

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Solution

The fourth proportional to 5,750.16, 8,625.60 and 1,854.72 is: 2,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.16 : 8,625.60 = 1,854.72 : x
  2. Step 2: Convert to fraction form
    5,750.16/8,625.60 = 1,854.72/x
  3. Step 3: Cross multiply
    5,750.16x = 8,625.60 × 1,854.72
  4. Step 4: Simplify right side
    5,750.16x = 15,998,072.83
  5. Step 5: Solve for x
    x = 15,998,072.83/5,750.16
  6. Step 6: Final answer
    x = 2,782.20

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Why These Related Problems?

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