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Finding the Fourth Proportional to 29,931.39, 44,896.55 and 7,744.55

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Solution

The fourth proportional to 29,931.39, 44,896.55 and 7,744.55 is: 11,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.39 : 44,896.55 = 7,744.55 : x
  2. Step 2: Convert to fraction form
    29,931.39/44,896.55 = 7,744.55/x
  3. Step 3: Cross multiply
    29,931.39x = 44,896.55 × 7,744.55
  4. Step 4: Simplify right side
    29,931.39x = 347,703,313.10
  5. Step 5: Solve for x
    x = 347,703,313.10/29,931.39
  6. Step 6: Final answer
    x = 11,616.68

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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.