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Finding the Fourth Proportional to 4,946.96, 7,428.92 and 4,392.92

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Solution

The fourth proportional to 4,946.96, 7,428.92 and 4,392.92 is: 6,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.96 : 7,428.92 = 4,392.92 : x
  2. Step 2: Convert to fraction form
    4,946.96/7,428.92 = 4,392.92/x
  3. Step 3: Cross multiply
    4,946.96x = 7,428.92 × 4,392.92
  4. Step 4: Simplify right side
    4,946.96x = 32,634,651.25
  5. Step 5: Solve for x
    x = 32,634,651.25/4,946.96
  6. Step 6: Final answer
    x = 6,596.91

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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.