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Finding the Fourth Proportional to 14,273.54, 19,697.07 and 7,900.39

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Solution

The fourth proportional to 14,273.54, 19,697.07 and 7,900.39 is: 10,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.54 : 19,697.07 = 7,900.39 : x
  2. Step 2: Convert to fraction form
    14,273.54/19,697.07 = 7,900.39/x
  3. Step 3: Cross multiply
    14,273.54x = 19,697.07 × 7,900.39
  4. Step 4: Simplify right side
    14,273.54x = 155,614,534.86
  5. Step 5: Solve for x
    x = 155,614,534.86/14,273.54
  6. Step 6: Final answer
    x = 10,902.31

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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.