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Finding the Fourth Proportional to 14,350.53, 19,801.49 and 7,977.03

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Solution

The fourth proportional to 14,350.53, 19,801.49 and 7,977.03 is: 11,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.53 : 19,801.49 = 7,977.03 : x
  2. Step 2: Convert to fraction form
    14,350.53/19,801.49 = 7,977.03/x
  3. Step 3: Cross multiply
    14,350.53x = 19,801.49 × 7,977.03
  4. Step 4: Simplify right side
    14,350.53x = 157,957,039.89
  5. Step 5: Solve for x
    x = 157,957,039.89/14,350.53
  6. Step 6: Final answer
    x = 11,007.05

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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.