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Finding the Fourth Proportional to 4,577.74, 6,807.72 and 4,431.94

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Solution

The fourth proportional to 4,577.74, 6,807.72 and 4,431.94 is: 6,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.74 : 6,807.72 = 4,431.94 : x
  2. Step 2: Convert to fraction form
    4,577.74/6,807.72 = 4,431.94/x
  3. Step 3: Cross multiply
    4,577.74x = 6,807.72 × 4,431.94
  4. Step 4: Simplify right side
    4,577.74x = 30,171,406.58
  5. Step 5: Solve for x
    x = 30,171,406.58/4,577.74
  6. Step 6: Final answer
    x = 6,590.90

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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.