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Finding the Fourth Proportional to 10,367.94, 14,308.18 and 7,180.32

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Solution

The fourth proportional to 10,367.94, 14,308.18 and 7,180.32 is: 9,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.94 : 14,308.18 = 7,180.32 : x
  2. Step 2: Convert to fraction form
    10,367.94/14,308.18 = 7,180.32/x
  3. Step 3: Cross multiply
    10,367.94x = 14,308.18 × 7,180.32
  4. Step 4: Simplify right side
    10,367.94x = 102,737,311.02
  5. Step 5: Solve for x
    x = 102,737,311.02/10,367.94
  6. Step 6: Final answer
    x = 9,909.13

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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.