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Finding the Fourth Proportional to 19,350.27, 29,038.34 and 7,038.27

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Solution

The fourth proportional to 19,350.27, 29,038.34 and 7,038.27 is: 10,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.27 : 29,038.34 = 7,038.27 : x
  2. Step 2: Convert to fraction form
    19,350.27/29,038.34 = 7,038.27/x
  3. Step 3: Cross multiply
    19,350.27x = 29,038.34 × 7,038.27
  4. Step 4: Simplify right side
    19,350.27x = 204,379,677.27
  5. Step 5: Solve for x
    x = 204,379,677.27/19,350.27
  6. Step 6: Final answer
    x = 10,562.11

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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.