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Finding the Fourth Proportional to 29,039.85, 43,565.44 and 9,316.89

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Solution

The fourth proportional to 29,039.85, 43,565.44 and 9,316.89 is: 13,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.85 : 43,565.44 = 9,316.89 : x
  2. Step 2: Convert to fraction form
    29,039.85/43,565.44 = 9,316.89/x
  3. Step 3: Cross multiply
    29,039.85x = 43,565.44 × 9,316.89
  4. Step 4: Simplify right side
    29,039.85x = 405,894,412.28
  5. Step 5: Solve for x
    x = 405,894,412.28/29,039.85
  6. Step 6: Final answer
    x = 13,977.15

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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.