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Finding the Fourth Proportional to 29,000.61, 43,500.93 and 7,939.08

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Solution

The fourth proportional to 29,000.61, 43,500.93 and 7,939.08 is: 11,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.61 : 43,500.93 = 7,939.08 : x
  2. Step 2: Convert to fraction form
    29,000.61/43,500.93 = 7,939.08/x
  3. Step 3: Cross multiply
    29,000.61x = 43,500.93 × 7,939.08
  4. Step 4: Simplify right side
    29,000.61x = 345,357,363.34
  5. Step 5: Solve for x
    x = 345,357,363.34/29,000.61
  6. Step 6: Final answer
    x = 11,908.62

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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.