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Finding the Fourth Proportional to 14,659.30, 21,995.43 and 5,911.30

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Solution

The fourth proportional to 14,659.30, 21,995.43 and 5,911.30 is: 8,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.30 : 21,995.43 = 5,911.30 : x
  2. Step 2: Convert to fraction form
    14,659.30/21,995.43 = 5,911.30/x
  3. Step 3: Cross multiply
    14,659.30x = 21,995.43 × 5,911.30
  4. Step 4: Simplify right side
    14,659.30x = 130,021,585.36
  5. Step 5: Solve for x
    x = 130,021,585.36/14,659.30
  6. Step 6: Final answer
    x = 8,869.56

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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.