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Finding the Fourth Proportional to 14,596.48, 21,881.28 and 5,361.28

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Solution

The fourth proportional to 14,596.48, 21,881.28 and 5,361.28 is: 8,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.48 : 21,881.28 = 5,361.28 : x
  2. Step 2: Convert to fraction form
    14,596.48/21,881.28 = 5,361.28/x
  3. Step 3: Cross multiply
    14,596.48x = 21,881.28 × 5,361.28
  4. Step 4: Simplify right side
    14,596.48x = 117,311,668.84
  5. Step 5: Solve for x
    x = 117,311,668.84/14,596.48
  6. Step 6: Final answer
    x = 8,036.98

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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.