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Finding the Fourth Proportional to 10,385.46, 14,332.03 and 5,669.82

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Solution

The fourth proportional to 10,385.46, 14,332.03 and 5,669.82 is: 7,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.46 : 14,332.03 = 5,669.82 : x
  2. Step 2: Convert to fraction form
    10,385.46/14,332.03 = 5,669.82/x
  3. Step 3: Cross multiply
    10,385.46x = 14,332.03 × 5,669.82
  4. Step 4: Simplify right side
    10,385.46x = 81,260,016.16
  5. Step 5: Solve for x
    x = 81,260,016.16/10,385.46
  6. Step 6: Final answer
    x = 7,824.40

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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.