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Finding the Fourth Proportional to 4,703.92, 7,051.56 and 2,392.72

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Solution

The fourth proportional to 4,703.92, 7,051.56 and 2,392.72 is: 3,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.92 : 7,051.56 = 2,392.72 : x
  2. Step 2: Convert to fraction form
    4,703.92/7,051.56 = 2,392.72/x
  3. Step 3: Cross multiply
    4,703.92x = 7,051.56 × 2,392.72
  4. Step 4: Simplify right side
    4,703.92x = 16,872,408.64
  5. Step 5: Solve for x
    x = 16,872,408.64/4,703.92
  6. Step 6: Final answer
    x = 3,586.88

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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.