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Finding the Fourth Proportional to 14,588.96, 21,864.96 and 9,321.96

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Solution

The fourth proportional to 14,588.96, 21,864.96 and 9,321.96 is: 13,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.96 : 21,864.96 = 9,321.96 : x
  2. Step 2: Convert to fraction form
    14,588.96/21,864.96 = 9,321.96/x
  3. Step 3: Cross multiply
    14,588.96x = 21,864.96 × 9,321.96
  4. Step 4: Simplify right side
    14,588.96x = 203,824,282.52
  5. Step 5: Solve for x
    x = 203,824,282.52/14,588.96
  6. Step 6: Final answer
    x = 13,971.13

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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.