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Finding the Fourth Proportional to 14,957.21, 22,441.07 and 9,979.51

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Solution

The fourth proportional to 14,957.21, 22,441.07 and 9,979.51 is: 14,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.21 : 22,441.07 = 9,979.51 : x
  2. Step 2: Convert to fraction form
    14,957.21/22,441.07 = 9,979.51/x
  3. Step 3: Cross multiply
    14,957.21x = 22,441.07 × 9,979.51
  4. Step 4: Simplify right side
    14,957.21x = 223,950,882.48
  5. Step 5: Solve for x
    x = 223,950,882.48/14,957.21
  6. Step 6: Final answer
    x = 14,972.77

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1.5x scale

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.