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Finding the Fourth Proportional to 29,938.98, 44,908.62 and 7,750.80

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Solution

The fourth proportional to 29,938.98, 44,908.62 and 7,750.80 is: 11,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,938.98 : 44,908.62 = 7,750.80 : x
  2. Step 2: Convert to fraction form
    29,938.98/44,908.62 = 7,750.80/x
  3. Step 3: Cross multiply
    29,938.98x = 44,908.62 × 7,750.80
  4. Step 4: Simplify right side
    29,938.98x = 348,077,731.90
  5. Step 5: Solve for x
    x = 348,077,731.90/29,938.98
  6. Step 6: Final answer
    x = 11,626.24

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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.