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Finding the Fourth Proportional to 43,337, 64,956.36 and 19,915.04

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Solution

The fourth proportional to 43,337, 64,956.36 and 19,915.04 is: 29,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337 : 64,956.36 = 19,915.04 : x
  2. Step 2: Convert to fraction form
    43,337/64,956.36 = 19,915.04/x
  3. Step 3: Cross multiply
    43,337x = 64,956.36 × 19,915.04
  4. Step 4: Simplify right side
    43,337x = 1,293,608,507.65
  5. Step 5: Solve for x
    x = 1,293,608,507.65/43,337
  6. Step 6: Final answer
    x = 29,849.98

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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.