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Finding the Fourth Proportional to 14,588.80, 21,883.20 and 9,923.20

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Solution

The fourth proportional to 14,588.80, 21,883.20 and 9,923.20 is: 14,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.80 : 21,883.20 = 9,923.20 : x
  2. Step 2: Convert to fraction form
    14,588.80/21,883.20 = 9,923.20/x
  3. Step 3: Cross multiply
    14,588.80x = 21,883.20 × 9,923.20
  4. Step 4: Simplify right side
    14,588.80x = 217,151,370.24
  5. Step 5: Solve for x
    x = 217,151,370.24/14,588.80
  6. Step 6: Final answer
    x = 14,884.80

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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.