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Finding the Fourth Proportional to 9,458.83, 13,053.06 and 5,209.80

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Solution

The fourth proportional to 9,458.83, 13,053.06 and 5,209.80 is: 7,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.83 : 13,053.06 = 5,209.80 : x
  2. Step 2: Convert to fraction form
    9,458.83/13,053.06 = 5,209.80/x
  3. Step 3: Cross multiply
    9,458.83x = 13,053.06 × 5,209.80
  4. Step 4: Simplify right side
    9,458.83x = 68,003,831.99
  5. Step 5: Solve for x
    x = 68,003,831.99/9,458.83
  6. Step 6: Final answer
    x = 7,189.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.