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Finding the Fourth Proportional to 13,021.77, 19,523.77 and 6,263.79

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Solution

The fourth proportional to 13,021.77, 19,523.77 and 6,263.79 is: 9,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.77 : 19,523.77 = 6,263.79 : x
  2. Step 2: Convert to fraction form
    13,021.77/19,523.77 = 6,263.79/x
  3. Step 3: Cross multiply
    13,021.77x = 19,523.77 × 6,263.79
  4. Step 4: Simplify right side
    13,021.77x = 122,292,851.47
  5. Step 5: Solve for x
    x = 122,292,851.47/13,021.77
  6. Step 6: Final answer
    x = 9,391.41

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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.