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Finding the Fourth Proportional to 2,865.95, 4,300.11 and 1,548.15

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Solution

The fourth proportional to 2,865.95, 4,300.11 and 1,548.15 is: 2,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.95 : 4,300.11 = 1,548.15 : x
  2. Step 2: Convert to fraction form
    2,865.95/4,300.11 = 1,548.15/x
  3. Step 3: Cross multiply
    2,865.95x = 4,300.11 × 1,548.15
  4. Step 4: Simplify right side
    2,865.95x = 6,657,215.30
  5. Step 5: Solve for x
    x = 6,657,215.30/2,865.95
  6. Step 6: Final answer
    x = 2,322.87

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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.