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Finding the Fourth Proportional to 5,499, 8,248.54 and 1,851

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Solution

The fourth proportional to 5,499, 8,248.54 and 1,851 is: 2,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499 : 8,248.54 = 1,851 : x
  2. Step 2: Convert to fraction form
    5,499/8,248.54 = 1,851/x
  3. Step 3: Cross multiply
    5,499x = 8,248.54 × 1,851
  4. Step 4: Simplify right side
    5,499x = 15,268,047.54
  5. Step 5: Solve for x
    x = 15,268,047.54/5,499
  6. Step 6: Final answer
    x = 2,776.51

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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.