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Finding the Fourth Proportional to 8,799.04, 13,200.99 and 7,831.90

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Solution

The fourth proportional to 8,799.04, 13,200.99 and 7,831.90 is: 11,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.04 : 13,200.99 = 7,831.90 : x
  2. Step 2: Convert to fraction form
    8,799.04/13,200.99 = 7,831.90/x
  3. Step 3: Cross multiply
    8,799.04x = 13,200.99 × 7,831.90
  4. Step 4: Simplify right side
    8,799.04x = 103,388,833.58
  5. Step 5: Solve for x
    x = 103,388,833.58/8,799.04
  6. Step 6: Final answer
    x = 11,750.01

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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.