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Finding the Fourth Proportional to 29,308.74, 43,962.48 and 7,122.24

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Solution

The fourth proportional to 29,308.74, 43,962.48 and 7,122.24 is: 10,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.74 : 43,962.48 = 7,122.24 : x
  2. Step 2: Convert to fraction form
    29,308.74/43,962.48 = 7,122.24/x
  3. Step 3: Cross multiply
    29,308.74x = 43,962.48 × 7,122.24
  4. Step 4: Simplify right side
    29,308.74x = 313,111,333.56
  5. Step 5: Solve for x
    x = 313,111,333.56/29,308.74
  6. Step 6: Final answer
    x = 10,683.21

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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.