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Finding the Fourth Proportional to 14,957.62, 22,441.62 and 6,643.48

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Solution

The fourth proportional to 14,957.62, 22,441.62 and 6,643.48 is: 9,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.62 : 22,441.62 = 6,643.48 : x
  2. Step 2: Convert to fraction form
    14,957.62/22,441.62 = 6,643.48/x
  3. Step 3: Cross multiply
    14,957.62x = 22,441.62 × 6,643.48
  4. Step 4: Simplify right side
    14,957.62x = 149,090,453.64
  5. Step 5: Solve for x
    x = 149,090,453.64/14,957.62
  6. Step 6: Final answer
    x = 9,967.53

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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.