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Finding the Fourth Proportional to 5,000.49, 6,898.38 and 2,904.21

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Solution

The fourth proportional to 5,000.49, 6,898.38 and 2,904.21 is: 4,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.49 : 6,898.38 = 2,904.21 : x
  2. Step 2: Convert to fraction form
    5,000.49/6,898.38 = 2,904.21/x
  3. Step 3: Cross multiply
    5,000.49x = 6,898.38 × 2,904.21
  4. Step 4: Simplify right side
    5,000.49x = 20,034,295.17
  5. Step 5: Solve for x
    x = 20,034,295.17/5,000.49
  6. Step 6: Final answer
    x = 4,006.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.