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Finding the Fourth Proportional to 29,315.72, 43,973.10 and 9,324.92

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Solution

The fourth proportional to 29,315.72, 43,973.10 and 9,324.92 is: 13,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.72 : 43,973.10 = 9,324.92 : x
  2. Step 2: Convert to fraction form
    29,315.72/43,973.10 = 9,324.92/x
  3. Step 3: Cross multiply
    29,315.72x = 43,973.10 × 9,324.92
  4. Step 4: Simplify right side
    29,315.72x = 410,045,419.79
  5. Step 5: Solve for x
    x = 410,045,419.79/29,315.72
  6. Step 6: Final answer
    x = 13,987.22

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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.