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Finding the Fourth Proportional to 14,772, 22,259.91 and 13,385.28

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Solution

The fourth proportional to 14,772, 22,259.91 and 13,385.28 is: 20,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772 : 22,259.91 = 13,385.28 : x
  2. Step 2: Convert to fraction form
    14,772/22,259.91 = 13,385.28/x
  3. Step 3: Cross multiply
    14,772x = 22,259.91 × 13,385.28
  4. Step 4: Simplify right side
    14,772x = 297,955,128.12
  5. Step 5: Solve for x
    x = 297,955,128.12/14,772
  6. Step 6: Final answer
    x = 20,170.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.