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Finding the Fourth Proportional to 14,133.03, 19,503.87 and 7,759.87

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Solution

The fourth proportional to 14,133.03, 19,503.87 and 7,759.87 is: 10,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.03 : 19,503.87 = 7,759.87 : x
  2. Step 2: Convert to fraction form
    14,133.03/19,503.87 = 7,759.87/x
  3. Step 3: Cross multiply
    14,133.03x = 19,503.87 × 7,759.87
  4. Step 4: Simplify right side
    14,133.03x = 151,347,495.70
  5. Step 5: Solve for x
    x = 151,347,495.70/14,133.03
  6. Step 6: Final answer
    x = 10,708.78

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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.