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Finding the Fourth Proportional to 4,577.36, 6,827.36 and 4,438.91

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Solution

The fourth proportional to 4,577.36, 6,827.36 and 4,438.91 is: 6,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.36 : 6,827.36 = 4,438.91 : x
  2. Step 2: Convert to fraction form
    4,577.36/6,827.36 = 4,438.91/x
  3. Step 3: Cross multiply
    4,577.36x = 6,827.36 × 4,438.91
  4. Step 4: Simplify right side
    4,577.36x = 30,306,036.58
  5. Step 5: Solve for x
    x = 30,306,036.58/4,577.36
  6. Step 6: Final answer
    x = 6,620.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.