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Finding the Fourth Proportional to 3,269.70, 4,904.55 and 3,000.90

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Solution

The fourth proportional to 3,269.70, 4,904.55 and 3,000.90 is: 4,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.70 : 4,904.55 = 3,000.90 : x
  2. Step 2: Convert to fraction form
    3,269.70/4,904.55 = 3,000.90/x
  3. Step 3: Cross multiply
    3,269.70x = 4,904.55 × 3,000.90
  4. Step 4: Simplify right side
    3,269.70x = 14,718,064.10
  5. Step 5: Solve for x
    x = 14,718,064.10/3,269.70
  6. Step 6: Final answer
    x = 4,501.35

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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.