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Finding the Fourth Proportional to 14,441.64, 19,929.62 and 8,473.41

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Solution

The fourth proportional to 14,441.64, 19,929.62 and 8,473.41 is: 11,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.64 : 19,929.62 = 8,473.41 : x
  2. Step 2: Convert to fraction form
    14,441.64/19,929.62 = 8,473.41/x
  3. Step 3: Cross multiply
    14,441.64x = 19,929.62 × 8,473.41
  4. Step 4: Simplify right side
    14,441.64x = 168,871,841.40
  5. Step 5: Solve for x
    x = 168,871,841.40/14,441.64
  6. Step 6: Final answer
    x = 11,693.40

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Why These Related Problems?

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