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Finding the Fourth Proportional to 29,666.40, 44,499.42 and 11,905.08

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Solution

The fourth proportional to 29,666.40, 44,499.42 and 11,905.08 is: 17,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.40 : 44,499.42 = 11,905.08 : x
  2. Step 2: Convert to fraction form
    29,666.40/44,499.42 = 11,905.08/x
  3. Step 3: Cross multiply
    29,666.40x = 44,499.42 × 11,905.08
  4. Step 4: Simplify right side
    29,666.40x = 529,769,155.05
  5. Step 5: Solve for x
    x = 529,769,155.05/29,666.40
  6. Step 6: Final answer
    x = 17,857.55

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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.