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Finding the Fourth Proportional to 13,203.99, 19,804.77 and 6,634.53

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Solution

The fourth proportional to 13,203.99, 19,804.77 and 6,634.53 is: 9,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.99 : 19,804.77 = 6,634.53 : x
  2. Step 2: Convert to fraction form
    13,203.99/19,804.77 = 6,634.53/x
  3. Step 3: Cross multiply
    13,203.99x = 19,804.77 × 6,634.53
  4. Step 4: Simplify right side
    13,203.99x = 131,395,340.71
  5. Step 5: Solve for x
    x = 131,395,340.71/13,203.99
  6. Step 6: Final answer
    x = 9,951.18

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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.