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Finding the Fourth Proportional to 4,898.67, 7,350.92 and 1,778.92

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Solution

The fourth proportional to 4,898.67, 7,350.92 and 1,778.92 is: 2,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.67 : 7,350.92 = 1,778.92 : x
  2. Step 2: Convert to fraction form
    4,898.67/7,350.92 = 1,778.92/x
  3. Step 3: Cross multiply
    4,898.67x = 7,350.92 × 1,778.92
  4. Step 4: Simplify right side
    4,898.67x = 13,076,689.71
  5. Step 5: Solve for x
    x = 13,076,689.71/4,898.67
  6. Step 6: Final answer
    x = 2,669.44

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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.