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Finding the Fourth Proportional to 29,287.72, 43,939.68 and 9,567.46

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Solution

The fourth proportional to 29,287.72, 43,939.68 and 9,567.46 is: 14,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.72 : 43,939.68 = 9,567.46 : x
  2. Step 2: Convert to fraction form
    29,287.72/43,939.68 = 9,567.46/x
  3. Step 3: Cross multiply
    29,287.72x = 43,939.68 × 9,567.46
  4. Step 4: Simplify right side
    29,287.72x = 420,391,130.81
  5. Step 5: Solve for x
    x = 420,391,130.81/29,287.72
  6. Step 6: Final answer
    x = 14,353.84

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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.