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Finding the Fourth Proportional to 4,672.55, 6,448.04 and 2,548.10

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Solution

The fourth proportional to 4,672.55, 6,448.04 and 2,548.10 is: 3,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.55 : 6,448.04 = 2,548.10 : x
  2. Step 2: Convert to fraction form
    4,672.55/6,448.04 = 2,548.10/x
  3. Step 3: Cross multiply
    4,672.55x = 6,448.04 × 2,548.10
  4. Step 4: Simplify right side
    4,672.55x = 16,430,205.74
  5. Step 5: Solve for x
    x = 16,430,205.74/4,672.55
  6. Step 6: Final answer
    x = 3,516.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.