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Finding the Fourth Proportional to 4,773.72, 7,160.58 and 2,923.32

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Solution

The fourth proportional to 4,773.72, 7,160.58 and 2,923.32 is: 4,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.72 : 7,160.58 = 2,923.32 : x
  2. Step 2: Convert to fraction form
    4,773.72/7,160.58 = 2,923.32/x
  3. Step 3: Cross multiply
    4,773.72x = 7,160.58 × 2,923.32
  4. Step 4: Simplify right side
    4,773.72x = 20,932,666.73
  5. Step 5: Solve for x
    x = 20,932,666.73/4,773.72
  6. Step 6: Final answer
    x = 4,384.98

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Similar ratio
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1.5x scale

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.