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Finding the Fourth Proportional to 14,032.02, 19,363.38 and 7,744.38

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Solution

The fourth proportional to 14,032.02, 19,363.38 and 7,744.38 is: 10,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.02 : 19,363.38 = 7,744.38 : x
  2. Step 2: Convert to fraction form
    14,032.02/19,363.38 = 7,744.38/x
  3. Step 3: Cross multiply
    14,032.02x = 19,363.38 × 7,744.38
  4. Step 4: Simplify right side
    14,032.02x = 149,957,372.80
  5. Step 5: Solve for x
    x = 149,957,372.80/14,032.02
  6. Step 6: Final answer
    x = 10,686.80

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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.